DefiingerMulti-Chain DeFi Data, News & Research

Weekly DeFi Data Report — September 14–20, 2026

A full week-over-week read on multi-chain DeFi: TVL, DEX volume, stablecoin supply, fees and capital turnover across seven chains, with cross-chain scorecards, an anomaly screen and trailing four-week comparison.

Weekly DeFi Data Report2026-09-2011 min readDefiinger Research Desk2362 words

We publish the same metric set every week so you can compare chains on equal footing instead of reading seven separate dashboards. This edition covers the seven days ending Sunday 20 September 2026.

Every figure below is derived from one shared dataset pulled from DefiLlama's public API, so the numbers in this report cannot disagree with the news review or the intelligence briefing published the same week. Stock metrics (TVL, stablecoin supply) are Sunday snapshots; flow metrics (DEX volume, fees) are weekly totals.

Quick answer

Which chain earned the most network fees during the week of Sep 14 - Sep 20, 2026? Solana, by a wide margin: $104.7m in weekly fees, down 3.3% from $108.3m, against a TVL base that grew 4.6% to $6.18bn — roughly 40% ahead of Ethereum's $74.8m while carrying about one-twelfth of its TVL. The week as a whole ran the opposite direction to last week: TVL rose 4.0% to $77.89B, but DEX volume rose only 2.4% to $46.31B and fees fell 8.9% to $219.1M, pulling blended turnover from 0.60x back to 0.59x — deposits grew while usage cooled.

1 Total Value Locked by chain

Total Value Locked by chain, week ending 2026-09-20.
ChainTVLShareW/W4-wk avgvs 4-wk
Ethereum$52.6B67.5%+5.0%$49.3B+6.7%
TRON$5.6B7.2%+1.5%$5.3B+4.3%
BNB Chain$5.7B7.4%-3.9%$5.7B+0.5%
Solana$6.2B7.9%+4.6%$5.8B+6.1%
Base$5.9B7.6%+5.7%$5.6B+6.6%
Arbitrum$1.4B1.8%+2.1%$1.4B+2.0%
Optimism$0.5B0.6%+6.8%$0.4B+8.0%

TVL growth was broad but led by the largest chains. Ethereum added about $2.5bn (+5.0%), Optimism rose 6.8%, Base 5.7%, Solana 4.6% and Arbitrum 2.1%; TRON gained a steady 1.5%. BNB Chain was the lone decliner at -3.9%. The late-August level shift is now well behind us — this was a week of deposit drift led by the chains that already hold the most, not a repricing event.

2 TVL trend, last six weeks

Six-week trend, 2026-08-16 to 2026-09-20.
Chain2026-08-162026-08-232026-08-302026-09-062026-09-132026-09-20
Ethereum$41.1B$48.7B$49.0B$49.3B$50.1B$52.6B
TRON$4.8B$5.2B$5.2B$5.4B$5.5B$5.6B
BNB Chain$4.9B$5.5B$5.5B$5.8B$6.0B$5.7B
Solana$4.8B$5.6B$5.9B$5.9B$5.9B$6.2B
Base$4.6B$5.4B$5.5B$5.7B$5.6B$5.9B
Arbitrum$1.2B$1.4B$1.4B$1.4B$1.4B$1.4B
Optimism$0.3B$0.4B$0.4B$0.4B$0.4B$0.5B

The trend table now shows two elevated weeks stacked above the late-August plateau, and Ethereum's $52.58bn is a fresh high for the sample. The climb is steady and deposit-led rather than the single-step jump of late August, which is the more ordinary of the two shapes.

3 DEX spot volume and turnover

Weekly DEX spot volume, share of total, and turnover (volume / TVL).
ChainDEX volShareW/WTurnoverRank
Ethereum$10.4B22.6%+21.5%0.202
TRON$0.3B0.6%+7.1%0.056
BNB Chain$7.8B16.8%-22.0%1.363
Solana$19.8B42.8%+7.4%3.211
Base$6.2B13.4%-5.8%1.054
Arbitrum$1.5B3.3%+34.8%1.065
Optimism$0.2B0.5%+29.4%0.477

This is the table that defines the week in reverse. The two largest trading venues behaved differently: Solana held the top spot at $19.83bn (+7.4%) while Ethereum climbed 21.5% to $10.45bn and reclaimed the number-two position BNB Chain had taken two weeks ago. BNB Chain fell 22.0% to $7.80bn — a full unwind of its two-week surge — and Base slipped 5.8% to $6.20bn. The smaller venues, Arbitrum (+34.8%) and Optimism (+29.4%), grew fastest in percentage terms but from small bases.

Solana remains the largest single venue at roughly twice Ethereum's weekly volume, and its turnover reached 3.21x — capital turned over three times a week against Ethereum's 0.20x. Those two numbers describe different businesses, and this week they moved in the same direction: Ethereum's volume gain lifted its turnover, Solana's held flat.

4 DEX volume trend, last six weeks

Six-week trend, 2026-08-16 to 2026-09-20.
Chain2026-08-162026-08-232026-08-302026-09-062026-09-132026-09-20
Ethereum$5.2B$10.6B$10.5B$8.9B$8.6B$10.4B
TRON$0.2B$0.3B$0.3B$0.3B$0.3B$0.3B
BNB Chain$6.1B$9.1B$7.0B$9.2B$10.0B$7.8B
Solana$10.7B$19.4B$18.2B$16.1B$18.5B$19.8B
Base$3.6B$7.7B$6.8B$5.8B$6.6B$6.2B
Arbitrum$0.5B$2.0B$1.4B$1.3B$1.1B$1.5B
Optimism$0.1B$0.2B$0.2B$0.2B$0.2B$0.2B

Six weeks of history shows BNB Chain's surge of two weeks ago has now fully reversed, while Ethereum's volume stepped up this week to its highest level in the window. The late-August spike remains the only larger move anywhere in the table, and everything since has been smaller oscillations around the new plateau.

5 Stablecoin supply by chain

Stablecoin supply held on each chain, week ending 2026-09-20.
ChainStablecoinsShareW/WRank
Ethereum$147.4B52.0%-0.3%1
TRON$94.0B33.2%-0.2%2
BNB Chain$16.9B6.0%-0.1%3
Solana$15.7B5.6%-4.4%4
Base$5.0B1.8%+0.8%5
Arbitrum$4.0B1.4%-0.3%6
Optimism$0.6B0.2%+12.2%7

Float contracted 0.5% to $283.57bn — a second consecutive weekly decline and the weakest stablecoin reading in our sample. Solana shed the most in percentage terms at -4.4% ($15.74bn), while TRON (-0.2% to $94.01bn) and Ethereum (-0.3% to $147.38bn) slipped modestly. Only Base (+0.8%) and Optimism (+12.2%, on a small base) grew.

The combination across the sample — float down for a second week, volume up only 2%, fees down 9% — is the opposite of week 3's healthy velocity configuration. The same dollars are being worked less, and the pool that funds trading is shrinking. That bounds activity: without a fresh injection, there is less liquidity to turn.

6 Stablecoin concentration

Ranked stablecoin supply; the top two chains dominate.
RankChainStablecoinsShare
1Ethereum$147.4B52.0%
2TRON$94.0B33.2%
3BNB Chain$16.9B6.0%
4Solana$15.7B5.6%
5Base$5.0B1.8%
6Arbitrum$4.0B1.4%
7Optimism$0.6B0.2%

Ethereum and TRON together hold 85.1% of the float in our sample — effectively unchanged. The headline float number remains a statement about two chains, and this week's decline is spread across Ethereum, TRON and Solana rather than concentrated in one.

7 Network fees

Weekly network fees and fee yield relative to TVL.
ChainFeesW/WShareFees / TVL
Ethereum$74.8M+0.4%34.1%0.142
TRON$2.0M+5.3%0.9%0.036
BNB Chain$22.6M-24.2%10.3%0.394
Solana$104.7M-3.3%47.8%1.694
Base$11.4M-47.2%5.2%0.193
Arbitrum$2.6M-21.2%1.2%0.182
Optimism$1.0M-9.1%0.5%0.213

Fees were the week's drag, down 8.9% to $219.1M. Solana remained the largest earner at $104.7m (-3.3%) on TVL that grew 4.6%, so its fee intensity per dollar of TVL eased slightly. Base's 47.2% collapse to $11.4m is almost entirely mean-reversion from last week's 68.8% spike — a roughly $10m gain that unwound. BNB Chain fell 24.2% to $22.6m and Arbitrum 21.2% to $2.6m; Ethereum was flat at $74.8m (+0.4%) and TRON rose 5.3% to $2.0m.

The structural gap remains: Solana earns about $16.9 of fees per $1,000 of TVL against Ethereum's $1.42 — roughly twelve times — but that ratio is now flat-to-easing rather than widening. Large percentage moves on small bases remain the caveat: Optimism's 9% drop is about $0.1m in absolute terms.

8 Turnover and capital efficiency

Capital efficiency by chain: how many times TVL turned over during the week, and weekly fees earned per unit of TVL. Both are derived from DefiLlama volume, TVL and fee series.
ChainTurnover (vol / TVL)W/WWeekly fees / TVL
Solana3.21x+2.7%1.694%
BNB Chain1.36x-18.9%0.394%
Arbitrum1.06x+32.0%0.182%
Base1.05x-10.9%0.193%
Optimism0.47x+21.2%0.213%
Ethereum0.20x+15.7%0.142%
TRON0.05x+5.6%0.036%

Blended turnover slipped 1.5% to 0.59x from 0.60x, ending last week's brief recovery. After a usage-led week, the ratio gave back its gain as deposits grew faster than trading.

The dispersion across chains remains enormous: Solana turns its TVL over 3.21 times a week against Ethereum's 0.20. Both moved this week — Solana up slightly, Ethereum up on its volume gain — so the gap is broadly stable rather than mean-reverting.

9 Composite scorecard

Composite ranking across five dimensions; lower average rank is stronger.
ChainTVLDEXStablesFeesTurnoverAvg rank
Solana214111.8
Ethereum121262.4
BNB Chain433323.0
Base345444.0
Arbitrum656535.0
TRON562675.2
Optimism777756.6

The scorecard rewards breadth, and this week breadth was on the deposit side: chains scored on TVL growth while usage metrics mostly fell. Solana and Ethereum top the table; BNB Chain's week was the inverse of the sample — TVL, volume and fees all down together.

10 Anomaly screen

Top 12 deviations from the trailing four-week baseline. |z| > 2 is flagged.
ChainMetricCurrent4-wk avgz-scoreFlag
OptimismStablecoins0.550.487.05watch
OptimismTVL0.470.436.06watch
EthereumTVL52.5849.265.61watch
ArbitrumTVL1.431.405.50watch
BaseTVL5.925.553.81watch
SolanaStablecoins15.7416.32-2.27watch
BaseStablecoins5.024.962.09watch
SolanaTVL6.185.822.04watch
TRONTVL5.585.351.67elevated
EthereumFees74.8073.951.56elevated
OptimismFees1.001.30-1.39elevated
TRONFees2.001.881.31elevated

Twelve chain-metric pairs clear the two-standard-deviation threshold this week, up from two. The surge is an artefact of the baseline: the four-week window now includes the late-August level shift and several large weekly moves, so ordinary deposit growth reads as extreme. Ethereum's TVL (z = 5.61) and Optimism's stablecoin and TVL lines (z = 7.05 and 6.06) lead, but these are screens, not findings — they tell us where the baseline is contaminated, not what broke.

11 Comparison with the trailing four weeks

Ecosystem-wide totals versus the trailing four-week average.
MetricCurrent4-wk avgDeltaDelta %
TVL ($B)77.8973.524.37+5.9%
DEX volume ($B)46.3145.201.11+2.5%
Stablecoins ($B)283.57284.25-0.68-0.2%
Fees ($M)219.10213.076.03+2.8%

TVL growth leaders this week: Solana (+4.6%), Base (+5.7%), TRON (+1.5%). Weakest TVL change: BNB Chain (-3.9%), Ethereum (+5.0%).

12 Concentration: how much sits in the top three

Concentration by metric, week ending 2026-09-20. Shares come from the same series used everywhere else on this site, so they cannot disagree with the tables above.
MetricTop three chainsCombined shareLargestLargest w/w
TVLEthereum, Solana, Base83.0%$52.6B+5.0%
DEX volumeSolana, Ethereum, BNB Chain82.2%$19.8B+7.4%
Stablecoin supplyEthereum, TRON, BNB Chain91.1%$147.4B-0.3%
Network feesSolana, Ethereum, BNB Chain92.2%$104.7M-3.3%

Fee revenue and stablecoin float remain the most concentrated lines; TVL the least. This week's fee aggregate is more of a two-chain description than ever — Solana and Ethereum together account for well over three-quarters of it.

13 Deep dive: the three chains that moved the week

The three chains that shaped this week's aggregate numbers.
ChainTVLRoleStrengthWatch item
Ethereum$52.6BSettlement and collateralLargest absolute TVL gain; reclaimed #2 volumeWhether deposits convert to usage
BNB Chain$5.7BHigh-throughput tradingGave back two-week surge: volume -22%, fees -24%Whether the unwind finishes here
Solana$6.2BExecution and tradingFee leader at $104.7m; stable float -4.4%Whether the float decline continues

Reading the sample through these three: Ethereum absorbed the most capital and turned some of it, BNB Chain unwound a surge we had treated as possibly durable, and Solana kept earning fees while its stablecoin float drained. The aggregate blended all three and described none of them.

14 Limitations of this report

  • TVL can double-count recursive strategies, so treat levels as approximate and compare week-over-week changes rather than absolute values.
  • DEX volume data comes from venue-reported series; wash trading is filtered inconsistently across chains.
  • Stablecoin supply counts tokens resident on chain, which is not the same as economic ownership by users there.
  • Network fee figures exclude application-level revenue, so chains hosting large application take-rates may be understated.
  • A single base chain can move the ecosystem aggregate; always read the per-chain rows alongside the totals.

15 Formulas used in this report

W/W % = ( ( current / previous ) - 1 ) x 100
Share % = ( chain metric / ecosystem total ) x 100
4-wk baseline = mean( value over the 4 weeks before the current week )
z-score = ( current - 4-wk baseline ) / stdev( 4-wk baseline ); |z| > 2 = anomaly
Turnover = weekly DEX volume / TVL (dimensionless; higher = more active capital)

16 What this means

The honest summary is that capital arrived and cooled. TVL rose 4.0% to $77.89B — its largest weekly gain since the late-August level shift — while DEX volume rose only 2.4%, fees fell 8.9%, and turnover slipped back to 0.59x — the reverse of last week's usage-led reading.

The question the data hands to next week is whether deposits convert into usage or just sit. Two consecutive weeks of stablecoin-float decline, against a TVL gain, means liquidity is leaving the trading layer even as collateral piles up. The chains that grew fees on flat TVL last week mostly gave those gains back — Base's 47% reversal is the clearest example.

For anyone allocating rather than trading, the turnover line is again the one to watch. Yields across lending and staking respond to capital velocity, and velocity fell this week everywhere except the chains that added deposits fastest.

Key Takeaways

  • TVL rose 4.0% to $77.89B while DEX volume rose only 2.4% and fees fell 8.9%.
  • Ethereum added the most capital, about $2.5bn (+5.0%) to a $52.58bn base.
  • BNB Chain unwound its two-week surge: volume -22.0%, fees -24.2%, TVL -3.9%.
  • Stablecoin float slipped 0.5% to $283.57B for a second straight decline; Solana fell 4.4%.
  • Solana remained the fee leader at $104.7m (-3.3%) on TVL that grew 4.6%.
  • Blended turnover slipped to 0.59x, ending last week's brief recovery.

17 The week in brief

This was a deposit week, not a usage week — the mirror image of last week and a repeat of the 31 August–6 September shape. Aggregate TVL rose 4.0% to $77.89B — its largest weekly gain since the late-August level shift — while every flow metric cooled: DEX volume crept up just 2.4% to $46.31B, network fees fell 8.9% to $219.1M, and blended turnover slipped from 0.60x to 0.59x. Stablecoin float contracted for a second straight week, down 0.5% to $283.57B.

Ethereum defined the deposit side. It added about $2.5bn (+5.0%) to a $52.58bn base, the largest absolute increase in the sample, and pushed above the $52bn mark for the first time in our sample. Optimism led on percentage (+6.8%), followed by Base (+5.7%) and Solana (+4.6%); Arbitrum rose 2.1% and TRON gained a steady 1.5%. BNB Chain was the only chain to fall, down 3.9% to $5.73bn — giving back part of the DEX-volume surge that had lifted it above Ethereum two weeks earlier.

Taken together, the pattern reverses last week's healthy velocity configuration: more capital parked, less of it traded, and the stablecoin float that funds trading shrinking for a second week. A deposit week is not a bad week — but it is the quieter of the two directions this series has shown.

18 The week in numbers

$77.9B
Total TVL
+4.0% w/w
$46.3B
DEX volume
+2.4% w/w
$283.6B
Stablecoins
-0.5% w/w
$219.1M
Network fees
-8.9% w/w
0.59x
Blended turnover
-1.5% w/w

19 How this report is built

One dataset behind every number on this page and across every column this week.
MetricPrimary sourceCadenceKnown limitation
TVLDefiLlama /v2/historicalChainTvlSunday snapshotRecursive strategies can double-count
DEX volumeDefiLlama /overview/dexsSeven-day sumExcludes wash trading inconsistently by venue
Stablecoin supplyDefiLlama stablecoinchartsSunday snapshotCounts float resident on chain, not ownership
Network feesDefiLlama /overview/feesSeven-day sumExcludes application-level revenue
TurnoverDerived: volume / TVLWeekly ratioSensitive to TVL valuation effects
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Defiinger Research Desk

The Defiinger Research Desk compiles multi-chain DeFi data and commentary from public on-chain sources and vetted industry publishers. Our editorial process prioritizes verifiable figures and clearly dated references.

Sources & Methodology

  1. DefiLlama — Total Value Locked series (/v2/historicalChainTvl, daily snapshots per chain).
  2. DefiLlama — DEX spot volume series (/overview/dexs, daily observations per chain).
  3. DefiLlama — stablecoin supply (stablecoins.llama.fi/stablecoincharts, daily snapshots per chain).
  4. DefiLlama — network fees (/overview/fees, daily observations per chain).
  5. Derived: turnover (weekly DEX volume / TVL) and fee yield (weekly fees / TVL).

Headlines and figures on this page are drawn from the outlets listed above; commentary is clearly labelled opinion and is not investment advice. Last reviewed 2026-09-20.

Frequently Asked Questions

What date range does this report cover?
Monday 14 September to Sunday 20 September 2026. Stock metrics are the Sunday snapshot; flow metrics cover the full seven days.
How should I compare this week with last week?
Use the per-chain rows. The ecosystem totals blend several very different behaviours, and this week they diverge more than usual.
Why did TVL grow so much faster than fees and volume?
Because this was a deposit week. TVL rose 4.0% while fees fell 8.9% and volume rose only 2.4%; turnover slipping from 0.60x to 0.59x is the same story compressed into one number.
What exactly is capital turnover?
Weekly DEX volume divided by TVL. It measures how many times the value locked on a chain changed hands during the week, and it is the cleanest single measure of whether capital is being used or parked.
Why is Solana's fee yield so much higher than Ethereum's?
Solana combines high trading activity with a much smaller TVL base, so fees relative to locked value look large. This week the gap held at roughly twelve times Ethereum's fee intensity. It reflects a different business mix, not superior efficiency.
Are these figures revised after publication?
Yes, occasionally. DefiLlama restates recent history as venues report late data, so a published week can shift slightly. We reconcile against the same snapshot across every column so all pages move together.