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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 19:32 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 19:22Z
Bitget
813 / 813
perps, last snapshot complete2026-10-01 18:39Z
Bybit
783 / 783
perps, last snapshot complete2026-10-01 18:37Z
OKX
495 / 495
perps, last snapshot complete2026-10-01 19:27Z

Constituent changes · Bitget · last 30 days

newest first · times in UTC · page 6

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

Time (UTC) Change Index Constituent Weight before Weight after
Reweighted Bitget BIRBUSDT BIRB Bybit BIRB/USDT spot 62% 56%
Added Bitget BIRBUSDT BIRB KuCoin BIRB/USDT spot 0% 9.4%
Removed Bitget BIOUSDT BIO Bitget BIO/USDT spot 0.9% 0%
Removed Bitget BILLUSDT BILL binance_alpha ALPHA_953/USDT unknown 0% 0%
Reweighted Bitget BILLUSDT BILL Bybit BILL/USDT spot 43% 49%
Removed Bitget BILLUSDT BILL KuCoin BILL/USDT spot 10% 0%
Added Bitget BIGTIMEUSDT BIGTIME KuCoin BIGTIME/USDT spot 0% 0.5%
Removed Bitget BERAUSDT BERA Bitget BERA/USDT spot 4.4% 0%
Added Bitget BERAUSDT BERA MEXC BERA/USDT spot 0% 2%
Removed Bitget BEATUSDT BEAT binance_alpha ALPHA_451/USDT unknown 0.9% 0%
Added Bitget BEATUSDT BEAT KuCoin BEAT/USDT spot 0% 1.7%
Reweighted Bitget BEAMUSDT BEAM Binance BEAM/USDT spot 66% 75%
Removed Bitget BEAMUSDT BEAM Bitget BEAM/USDT spot 2% 0%
Removed Bitget BATUSDT BAT Gate BAT/USDT spot 2.2% 0%
Added Bitget BASEDUSDT BASED binance_alpha ALPHA_837/USDT unknown 0% 0.5%
Reweighted Bitget BANDUSDT BAND Binance BAND/USDT spot 80% 86%
Removed Bitget BANDUSDT BAND Gate BAND/USDT spot 2.5% 0%
Removed Bitget BANDUSDT BAND KuCoin BAND/USDT spot 3.9% 0%
Reweighted Bitget B2USDT B2 Gate B2/USDT spot 65% 70%
Removed Bitget B2USDT B2 KuCoin B2/USDT spot 7.2% 0%
Removed Bitget AXLUSDT AXL MEXC WAXL/USDT spot 0.3% 0%
Added Bitget AVAUSDT AVA Bybit AVA/USDT spot 0% 5.1%
Added Bitget AUSDT A Bitget A/USDT spot 0% 1.5%
Removed Bitget AUSDT A Gate A/USDT spot 3.2% 0%
Removed Bitget AUSDT A KuCoin A/USDT spot 1.5% 0%
Reweighted Bitget AUCTIONUSDT AUCTION Binance AUCTION/USDT spot 75% 85%
Removed Bitget AUCTIONUSDT AUCTION OKX AUCTION/USDT spot 12% 0%
Added Bitget ASTRUSDT ASTR Bitget ASTR/USDT spot 0% 3.5%
Removed Bitget ASRUSDT ASR Binance ASR/TRY spot 21% 0%
Reweighted Bitget ASRUSDT ASR Binance ASR/USDT spot 52% 72%
Removed Bitget ASRUSDT ASR Bitget futures ASR/USDT perp 6.2% 0%
Reweighted Bitget ASRUSDT ASR MEXC ASR/USDT spot 19% 27%
Added Bitget ARPAUSDT ARPA KuCoin ARPA/USDT spot 0% 2.8%
Added Bitget ARIAUSDT ARIA binance_alpha ALPHA_332/USDT unknown 0% 0.3%
Removed Bitget API3USDT API3 KuCoin API3/USDT spot 2.4% 0%
Added Bitget ANKRUSDT ANKR KuCoin ANKR/USDT spot 0% 2.5%
Added Bitget ANIMEUSDT ANIME Bitget ANIME/USDT spot 0% 0.7%
Removed Bitget ANIMEUSDT ANIME KuCoin ANIME/USDT spot 1.6% 0%
Reweighted Bitget AIOUSDT AIO Bitget AIO/USDT spot 42% 47%
Removed Bitget AIOUSDT AIO KuCoin AIO/USDT spot 11% 0%
Reweighted Bitget AIOUSDT AIO MEXC AIO/USDT spot 37% 42%
Reweighted Bitget AGLDUSDT AGLD Binance AGLD/USDT spot 34% 44%
Reweighted Bitget AGLDUSDT AGLD Bybit AGLD/USDT spot 24% 32%
Added Bitget AGLDUSDT AGLD Gate AGLD/USDT spot 0% 0.6%
Removed Bitget AGLDUSDT AGLD OKX AGLD/USDT spot 23% 0%
Reweighted Bitget AEVOUSDT AEVO Binance AEVO/USDT spot 62% 57%
Reweighted Bitget AEONUSDT AEON Bitget AEON/USDT spot 37% 30%
Added Bitget AEONUSDT AEON Gate AEON/USDT spot 0% 20%
Reweighted Bitget AEONUSDT AEON KuCoin AEON/USDT spot 27% 20%
Reweighted Bitget AEONUSDT AEON OKX AEON/USDT spot 37% 30%

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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.