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Perp index constituent changes

A perpetual's mark price is built from an index: a weighted basket of spot prices from several exchanges. This page lists every constituent the exchange added or removed, and every weight move of at least 5 percentage points, newest first.

Last 30 daysSource: exchange public APIsHourly snapshots, UTCAs of 01:15 UTC

Constituent changes as published by each exchange, detected by hourly snapshot. A removal is not a delisting. RSS feed.

Binance
569 / 571
perps, last snapshot complete2026-10-02 00:22Z
Bitget
813 / 813
perps, last snapshot complete2026-10-02 00:38Z
Bybit
783 / 783
perps, last snapshot complete2026-10-02 00:37Z
OKX
495 / 495
perps, last snapshot complete2026-10-02 00:27Z

Constituent changes · Bybit · last 30 days

newest first · times in UTC · page 12

Exchange: All · Binance · OKX · Bybit · Bitget   Change: All · Added · Removed · Reweighted

Time (UTC) Change Index Constituent Weight before Weight after
Reweighted Bybit GEVUSDT Pyth Equity.US.GEV/USD oracle 22% 38%
Added Bybit GEUSDT Bybit futures GEUSDT perp 0% 100%
Removed Bybit GEUSDT massive GE reference 50% 0%
Removed Bybit GEUSDT Pyth Equity.US.GE/USD oracle 50% 0%
Added Bybit GENIUSUSDT GENIUS KuCoin GENIUS-USDT spot 0% 3%
Removed Bybit GDXUSDT Bybit futures GDXUSDT perp 10% 0%
Reweighted Bybit GDXUSDT kaiko KK_RFR_GDXUSD reference 30% 50%
Removed Bybit GDXUSDT massive GDX reference 30% 0%
Reweighted Bybit GDXUSDT Pyth Equity.US.GDX/USD oracle 30% 50%
Added Bybit GBPUSDUSDT Bybit futures GBPUSDUSDT perp 0% 10%
Added Bybit GASUSDT GAS Gate GAS_USDT spot 0% 1.2%
Added Bybit GASUSDT GAS KuCoin GAS-USDT spot 0% 0.7%
Added Bybit FUTUUSDT Bybit futures FUTUUSDT perp 0% 10%
Removed Bybit FUTUUSDT massive FUTU reference 50% 0%
Reweighted Bybit FUTUUSDT Pyth Equity.US.FUTU/USD oracle 50% 90%
Removed Bybit FUSDT F Gate F_USDT spot 0.8% 0%
Added Bybit FORMSTOCKUSDT Bybit futures FORMSTOCKUSDT perp 0% 100%
Removed Bybit FORMSTOCKUSDT massive FORM reference 40% 0%
Removed Bybit FORMSTOCKUSDT Pyth Equity.US.FORM/USD oracle 60% 0%
Added Bybit FLYUSDT FLY dxfeed FLY:USLF24 unknown 0% 27%
Reweighted Bybit FLYUSDT FLY kaiko KK_RFR_FLYUSD reference 40% 53%
Removed Bybit FLYUSDT FLY massive FLY reference 40% 0%
Reweighted Bybit FLNCUSDT kaiko KK_RFR_FLNCUSD reference 26% 39%
Removed Bybit FLNCUSDT massive FLNC reference 26% 0%
Reweighted Bybit FLNCUSDT Pyth Equity.US.FLNC/USD oracle 26% 39%
Reweighted Bybit FLEXUSDT Binance index flexusdt index 18% 90%
Removed Bybit FLEXUSDT massive FLEX reference 36% 0%
Removed Bybit FLEXUSDT Pyth Equity.US.FLEX/USD oracle 36% 0%
Reweighted Bybit FIGHTUSDT FIGHT Bybit FIGHTUSDT spot 41% 55%
Removed Bybit FIGHTUSDT FIGHT Coinbase FIGHT-USD spot 18% 0%
Removed Bybit FIGHTUSDT FIGHT KuCoin FIGHT-USDT spot 7.6% 0%
Reweighted Bybit FIGHTUSDT FIGHT MEXC FIGHTUSDT spot 34% 45%
Added Bybit FIDAUSDT FIDA Gate FIDA_USDT spot 0% 1.6%
Reweighted Bybit EWZUSDT kaiko KK_RFR_EWZUSD reference 27% 40%
Removed Bybit EWZUSDT massive EWZ reference 27% 0%
Reweighted Bybit EWZUSDT Pyth Equity.US.EWZ/USD oracle 27% 40%
Reweighted Bybit EWYUSDT EWY kaiko KK_RFR_EWYUSD reference 22% 34%
Removed Bybit EWYUSDT EWY massive EWY reference 22% 0%
Reweighted Bybit EWYUSDT EWY Pyth Equity.US.EWY/USD oracle 22% 34%
Reweighted Bybit EWTUSDT kaiko KK_RFR_EWTUSD reference 25% 38%
Removed Bybit EWTUSDT massive EWT reference 25% 0%
Reweighted Bybit EWTUSDT Pyth Equity.US.EWT/USD oracle 25% 38%
Reweighted Bybit EWJUSDT EWJ kaiko KK_RFR_EWJUSD reference 22% 34%
Removed Bybit EWJUSDT EWJ massive EWJ reference 22% 0%
Reweighted Bybit EWJUSDT EWJ Pyth Equity.US.EWJ/USD oracle 22% 34%
Reweighted Bybit EULUSDT EUL Binance EULUSDT spot 87% 82%
Added Bybit EULUSDT EUL Coinbase EUL-USD spot 0% 6.3%
Added Bybit ESPUSDT ESP Gate ESP_USDT spot 0% 2.6%
Added Bybit ENSUSDT ENS Gate ENS_USDT spot 0% 1.5%
Reweighted Bybit EGLDUSDT EGLD Binance EGLDUSDT spot 56% 51%

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Method. Each exchange's public index-constituents API is read once an hour for every perpetual it lists. Added and removed constituents are always listed; weight moves only when they reach 5 percentage points. A removal is recorded only from a complete snapshot. The first snapshot of each perp is the starting composition, not a change. Event ids (the row anchors and RSS guids) never change.

How to read it. Index constituents decide which spot prices feed a perp's mark price. Exchanges sometimes change constituents before other listing changes, but a removal on its own says only that the index stopped using that source. Constituent changes as published by each exchange, detected by hourly snapshot. A removal is not a delisting.

Index constituent changes FAQ

What is a perpetual's index?

Exchanges do not liquidate on their own last traded price. They use a mark price built from an index: a weighted average of spot prices from several exchanges, with outlier guards. Each exchange publishes the current constituents and weights through its public API.

How are changes detected?

Hourly snapshots of each exchange's index constituents API. A constituent is added when it first appears, removed when a complete snapshot no longer lists it (a failed or partial snapshot never counts as a removal), and reweighted when its weight moves at least 5 percentage points. A change can be up to an hour old when it shows here.

Does a removed constituent mean the coin is leaving that exchange?

No. Exchanges add and drop index sources for many reasons: thin or stale books, a source exchange's maintenance, or a routine rebalance. A removal here only means the index stopped using that source.

Is there an RSS feed?

Yes: /mark-price-xray/changes/rss.xml carries the newest 50 changes and accepts the same ?venue= filter.