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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 21:43 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 complete2026-10-01 21:22Z
Bitget
813 / 813
perps, last snapshot complete2026-10-01 21:38Z
Bybit
783 / 783
perps, last snapshot complete2026-10-01 21:37Z
OKX
495 / 495
perps, last snapshot complete2026-10-01 21:27Z

Constituent changes · last 30 days

newest first · times in UTC · page 7

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

Time (UTC) Change Index Constituent Weight before Weight after
Removed Bitget MUSDT M binance_alpha ALPHA_257/USDT unknown 1.4% 0%
Reweighted Bitget MUSDT M MEXC M/USDT spot 15% 20%
Added Bybit SNTUSDT Bithumb SNT_KRW spot 0% 31%
Reweighted Bybit SNTUSDT MEXC SNTUSDT spot 31% 58%
Removed Bybit SNTUSDT Upbit KRW-SNT spot 64% 0%
Added Bybit SMHUSDT SMH Bybit futures SMHUSDT perp 0% 10%
Added Bybit SLPUSDT SLP Gate SLP_USDT spot 0% 0.7%
Removed Bybit SLPUSDT SLP KuCoin SLP-USDT spot 3.3% 0%
Reweighted Bitget MSFUUSDT dxfeed MSFU/USD unknown 30% 37%
Removed Bitget MSFUUSDT intrinio MSFU/USD unknown 20% 0%
Reweighted Bitget MSFUUSDT massive MSFU/USD reference 30% 37%
Reweighted Bitget MSFUUSDT tiger MSFU/USD unknown 20% 27%
Removed Bybit SKLUSDT SKL KuCoin SKL-USDT spot 1.3% 0%
Added Bitget MRKUSDT intrinio MRK/USD unknown 0% 25%
Reweighted Bitget MRKUSDT massive MRK/USD reference 33% 25%
Reweighted Bitget MRKUSDT Pyth MRK/USD oracle 33% 25%
Reweighted Bitget MRKUSDT tiger MRK/USD unknown 33% 25%
Reweighted Bybit SIRENUSDT SIREN MEXC SIRENUSDT spot 20% 13%
Added Bybit SIRENUSDT SIREN pancakeswapv3 SIREN/WBNB dex 0% 6.6%
Added Bybit SIGNUSDT SIGN Gate SIGN_USDT spot 0% 2.8%
Added Bitget MOODENGUSDT MOODENG Gate MOODENG/USDT spot 0% 11%
Reweighted Bitget MOODENGUSDT MOODENG OKX MOODENG/USDT spot 79% 70%
Added Bybit SHAZUSDT SHAZ Bybit futures SHAZUSDT perp 0% 10%
Reweighted Bybit SHAZUSDT SHAZ massive SHAZ reference 67% 60%
Removed Bitget MMTUSDT MMT Bybit MMT/USDT spot 6.1% 0%
Removed Bitget MMTUSDT MMT Gate MMT/USDT spot 0.7% 0%
Added Bitget MMTUSDT MMT KuCoin MMT/USDT spot 0% 3%
Removed Bitget MIRAUSDT MIRA Gate MIRA/USDT spot 1.5% 0%
Added Bitget MIRAUSDT MIRA KuCoin MIRA/USDT spot 0% 1%
Added Bybit SDGRUSDT Bybit futures SDGRUSDT perp 0% 10%
Reweighted Bybit SDGRUSDT massive SDGR reference 100% 90%
Removed Bitget MEWUSDT MEW Bitget MEW/USDT spot 2.8% 0%
Removed Bitget MEWUSDT MEW KuCoin MEW/USDT spot 3.8% 0%
Reweighted Bitget MEUSDT ME Binance ME/USDT spot 48% 38%
Reweighted Bitget MEUSDT ME Bybit ME/USDT spot 43% 33%
Added Bitget MEUSDT ME Gate ME/USDT spot 0% 1%
Added Bitget MEUSDT ME OKX ME/USDT spot 0% 20%
Reweighted Bitget METUUSDT dxfeed METU/USD unknown 30% 37%
Removed Bitget METUUSDT intrinio METU/USD unknown 20% 0%
Reweighted Bitget METUUSDT massive METU/USD reference 30% 37%
Reweighted Bitget METUUSDT tiger METU/USD unknown 20% 27%
Added Bybit RUNEUSDT RUNE Gate RUNE_USDT spot 0% 1.3%
Removed Bybit RUNEUSDT RUNE KuCoin RUNE-USDT spot 2.7% 0%
Reweighted Bybit RUMUSDT Binance index rumusdt index 25% 100%
Removed Bybit RUMUSDT massive RUM reference 75% 0%
Added Bitget MERLUSDT MERL KuCoin MERL/USDT spot 0% 1.5%
Added Bybit RSRUSDT RSR Gate RSR_USDT spot 0% 5.9%
Added Bybit RLCUSDT RLC Coinbase RLC-USD spot 0% 3.5%
Reweighted Bitget MDBUSDT dxfeed MDB/USD unknown 30% 37%
Removed Bitget MDBUSDT intrinio MDB/USD unknown 20% 0%

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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.