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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 22:22 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 22:21Z
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 · Bybit · last 30 days

newest first · times in UTC · page 8

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

Time (UTC) Change Index Constituent Weight before Weight after
Added Bybit BRETTUSDT BRETT KuCoin BRETT-USDT spot 0% 10%
Removed Bybit BOBAUSDT Bithumb BOBA_KRW spot 31% 0%
Removed Bybit BOBAUSDT KuCoin BOBA-USDT spot 0.1% 0%
Reweighted Bybit BOBAUSDT MEXC BOBAUSDT spot 54% 77%
Reweighted Bybit BNTUSDT BNT Binance BNTUSDT spot 64% 58%
Added Bybit BNTUSDT BNT Coinbase BNT-USD spot 0% 11%
Reweighted Bybit BNCUSDT Binance index bncusdt index 18% 90%
Removed Bybit BNCUSDT massive BNC reference 72% 0%
Reweighted Bybit BLUAIUSDT BLUAI KuCoin BLUAI-USDT spot 19% 25%
Reweighted Bybit BLUAIUSDT BLUAI MEXC BLUAIUSDT spot 56% 49%
Added Bybit BLASTUSDT KuCoin BLAST-USDT spot 0% 1.1%
Added Bybit BILLUSDT BILL binancealpha BILL/USDT unknown 0% 3.7%
Removed Bybit BIIBUSDT kaiko KK_RFR_BIIBUSD reference 100% 0%
Added Bybit BIIBUSDT massive BIIB reference 0% 100%
Removed Bybit BIGTIMEUSDT BIGTIME Coinbase BIGTIME-USD spot 5.7% 0%
Added Bybit BELUSDT BEL Gate BEL_USDT spot 0% 1.2%
Added Bybit BBUSDT BB Gate BB_USDT spot 0% 1.1%
Added Bybit BASEDUSDT BASED binancealpha BASED/USDT unknown 0% 7%
Added Bybit BARDUSDT BARD Gate BARD_USDT spot 0% 1.3%
Added Bybit BANDUSDT BAND Gate BAND_USDT spot 0% 1.8%
Removed Bybit BANDUSDT BAND KuCoin BAND-USDT spot 3.9% 0%
Removed Bybit BANANAUSDT BANANA Gate BANANA_USDT spot 2.8% 0%
Reweighted Bybit B3USDT B3 Coinbase B3-USD spot 32% 37%
Removed Bybit B3USDT B3 KuCoin B3-USDT spot 0.1% 0%
Removed Bybit B2USDT B2 binancealpha B2/USDT unknown 20% 0%
Reweighted Bybit B2USDT B2 Gate B2_USDT spot 58% 76%
Removed Bybit B2USDT B2 KuCoin B2-USDT spot 3.2% 0%
Reweighted Bybit B2USDT B2 MEXC B2USDT spot 17% 22%
Removed Bybit AZTECUSDT AZTEC KuCoin AZTEC-USDT spot 1.8% 0%
Removed Bybit AXSUSDT AXS Bybit AXSUSDT spot 3.2% 0%
Added Bybit AXSUSDT AXS MEXC AXSUSDT spot 0% 3.1%
Reweighted Bybit AWEUSDT AWE Binance AWEUSDT spot 55% 64%
Removed Bybit AWEUSDT AWE Coinbase AWE-USD spot 3.9% 0%
Removed Bybit AWEUSDT AWE KuCoin AWE-USDT spot 6.9% 0%
Added Bybit AVAUSDT AVA Gate AVA_USDT spot 0% 1.8%
Reweighted Bybit AVAAIUSDT AVAAI Gate AVAAI_USDT spot 13% 20%
Removed Bybit AVAAIUSDT AVAAI KuCoin AVAAI-USDT spot 15% 0%
Reweighted Bybit AVAAIUSDT AVAAI MEXC AVAAIUSDT spot 13% 20%
Removed Bybit AUSDT A Gate A_USDT spot 3.2% 0%
Removed Bybit AUCTIONUSDT AUCTION Coinbase AUCTION-USD spot 6.2% 0%
Reweighted Bybit ATUSDT AT Binance ATUSDT spot 80% 93%
Removed Bybit ATUSDT AT Gate AT_USDT spot 12% 0%
Removed Bybit ASTRUSDT ASTR KuCoin ASTR-USDT spot 1.2% 0%
Reweighted Bybit ASMLUSDT ASML kaiko KK_RFR_ASMLUSD reference 22% 34%
Removed Bybit ASMLUSDT ASML massive ASML reference 22% 0%
Reweighted Bybit ASMLUSDT ASML Pyth Equity.US.ASML/USD oracle 22% 34%
Reweighted Bybit ARKKUSDT kaiko KK_RFR_ARKKUSD reference 45% 30%
Added Bybit ARKKUSDT massive ARKK reference 0% 30%
Reweighted Bybit ARKKUSDT Pyth Equity.US.ARKK/USD oracle 45% 30%
Removed Bybit ARIAUSDT ARIA KuCoin ARIA-USDT spot 6% 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.