Binance has activated emergency pricing protections for BULLA perpetual futures amid cross-exchange price discrepancies and transfer restrictions, while LBank has suspended BULLA deposits. Separately, XT has restricted cryptocurrency transfers across numerous blockchain networks, KuCoin has halted DIAM trading, and Bitget has expanded its hedging protections to tokenized stocks.
The October 27–28, 2026 developments also include Binance’s expansion into leveraged tokenized equity products and KuCoin’s termination of Gravity Alpha Mainnet transfers. Together, the changes highlight growing challenges involving price discovery, customer asset access and risk management as cryptocurrency exchanges expand beyond conventional spot markets.
While some measures are temporary operational safeguards, others alter how customer positions are valued, which assets qualify as trading collateral and whether certain tokens can be transferred or sold.
Binance Changes BULLA Pricing as LBank Suspends Deposits
Binance Futures announced an emergency Last Price Protected mechanism for BULLAUSDT perpetual contracts on October 28, effective from 06:00 UTC, citing spot-market price divergence and deposit or withdrawal restrictions observed across multiple exchanges.
Under the temporary pricing arrangement, Binance removes external spot markets from the contract’s price index and instead calculates the mark price using recent transactions in its own perpetual market.
The calculation ordinarily averages trades over the preceding 10 seconds, with alternative sampling periods when transaction activity is insufficient. Binance also applies a maximum mark-price movement of 1% per second to limit sudden changes during the transition.
This represents an important departure from conventional derivatives pricing, where independent spot-market references help anchor perpetual contracts to the underlying asset.
Binance simultaneously reduced the contract’s maximum funding rate from plus or minus 2% to plus or minus 0.005%, substantially restricting the funding payments that can accumulate between long and short positions during the protection period.
The exchange said the mechanism would remain in place until BULLA spot prices converge sufficiently across trading venues to support a stable external price index. It did not identify which exchanges had imposed the restrictions or disclose whether customers experienced liquidations during the transition.
The timing overlaps with a confirmed transfer restriction at LBank, which suspended BULLA deposits at 21:05 UTC on October 27, approximately nine hours before Binance’s protection mechanism became effective.
However, the two announcements do not establish a direct causal relationship. LBank’s restriction is one documented example of disrupted BULLA transfers, but Binance did not identify LBank as a contributor to the wider price divergence.
The distinction matters because the inability to move an asset between exchanges can prevent arbitrage traders from narrowing price differences, potentially weakening the reliability of spot-market references used to value derivatives.
XT Restores Networks as KuCoin Halts DIAM Trading
XT announced a sweeping restriction on cryptocurrency deposits and withdrawals on October 28 as part of a wallet-infrastructure upgrade.
Its initial notice stated that transfers would be temporarily unavailable across every supported network except Bitcoin, Ethereum, BNB Smart Chain, TRON and Solana.
The disruption was unusually broad because it affected multiple blockchain networks simultaneously rather than a single token or isolated payment route.
XT subsequently announced restoration of XRP, Base, Arbitrum, Aptos and Polygon transfers. A further update at 08:38 on October 28 expanded the confirmed restored list to 21 networks, including Avalanche, Litecoin, Cardano, Dash, Ethereum Classic and Flow.
Although XT described the wallet upgrade as completed, the exchange advised customers to consult individual asset pages for current deposit and withdrawal availability. The notices do not independently confirm that every network or asset was restored simultaneously.
XT has not reported a security incident, customer losses or a specific financial impact associated with the maintenance.
Meanwhile, KuCoin announced that it would cease DIAM/USDT trading at 04:00 UTC on October 28 following a request from the Diamante project team.
The exchange had already disabled DIAM deposits and withdrawals when the announcement was issued. It also terminated trading bots involving the token at 01:30 UTC, including grid trading, dollar-cost averaging, martingale and rebalancing strategies.
Remaining orders were scheduled for cancellation when spot trading stopped.
The decision follows Diamante’s October 27 disclosure of unauthorized activity within its ecosystem. The project said it had coordinated with exchanges and liquidity providers to restrict affected asset movements and pledged compensation for eligible participants.
However, KuCoin did not explicitly identify the security incident as the reason for the requested trading halt, and neither company has published a confirmed loss figure or a timetable for reopening DIAM transfers.
The combination of suspended transfers and halted trading is particularly consequential for token holders because ordinary exchange-based exit routes may be unavailable until additional arrangements are announced.
Bitget Expands Hedging as Binance Adds Leveraged Stock Tokens
Bitget has updated its Unified Trading Account Delta Neutral Mode to recognize tokenized equities and corresponding stock futures as related exposures when calculating hedged positions.
Under the October 28 rules, an rToken such as rAAPL can be combined with an AAPL futures position when determining hedging eligibility and Auto-Deleveraging ranking protection.
The existing qualification threshold remains unchanged: net futures exposure divided by total position must not exceed 5%. The feature applies automatically to eligible accounts using Delta Neutral Mode when the relevant rToken is supported as margin collateral.
Bitget also extends equivalent treatment to BGBTC and BTC, BGSOL and SOL, and gold-linked assets XAU, XAUT and PAXG.
The mechanism recognizes economically related exposures within the exchange’s risk calculations, although Bitget warns that it does not eliminate the possibility of forced deleveraging during extreme market conditions.
Binance is pursuing a different expansion of tokenized securities, scheduling five additional bStocks trading pairs and margin-collateral eligibility for October 28 at 12:00 UTC.
The products include tokenized versions of GraniteShares’ 2x Long and 2x Short SK Hynix Daily ETFs, alongside assets linked to AppLovin, Bending Spoons and GE Vernova.
Both leveraged SK Hynix products are scheduled to become eligible collateral under Cross Margin, Portfolio Margin and Portfolio Margin Pro, subject to user eligibility and regional restrictions.
The development introduces a more complex interaction between daily-leveraged equity exposure and cryptocurrency margin accounts. Because leveraged ETFs target daily performance, their returns can diverge significantly from a simple multiple of the underlying stock’s longer-term movement.
Binance has stated that the newly eligible securities cannot currently be borrowed directly, but their collateral use creates additional considerations around valuation, margin requirements and changing market conditions.
Separately, KuCoin has discontinued Gravity Alpha Mainnet deposits and withdrawals, warning that deposits sent through the unsupported route will not be processed and could result in asset loss.
Gravity’s G token remains supported through other available networks, and KuCoin said its listing status was unaffected. The announcement follows the previously disclosed network decommissioning and represents a customer-transfer warning rather than a new security breach.
Why Exchange Pricing and Asset Access Matter for Investors
The most significant implication of these developments is the growing dependence of cryptocurrency investors on exchange-specific decisions about pricing, collateral and asset accessibility.
Binance’s BULLA intervention demonstrates what can happen when external spot markets become unreliable reference points for derivatives. Replacing independent market prices with futures-derived calculations may reduce sudden dislocations, but it also introduces greater dependence on trading activity within the same derivatives venue.
For leveraged traders, the critical questions concern how accurately mark prices reflect realizable market values and whether protective limits behave as expected during sharp volatility. A narrower funding-rate cap reduces funding-payment extremes but does not eliminate liquidation risk.
XT and KuCoin illustrate another vulnerability: holding cryptocurrency on an exchange does not guarantee continuous access to blockchain transfers. Maintenance, security restrictions and network decommissioning can temporarily or permanently change the routes available to customers.
KuCoin’s DIAM decision is especially sensitive because spot trading and transfers were both unavailable. Clear communication about reopening conditions, customer balances and alternative withdrawal arrangements will be essential.
The tokenized-equity developments introduce a separate layer of market risk. Bitget’s hedging calculations and Binance’s expanded collateral framework treat instruments linked to traditional financial assets as components of cryptocurrency trading and risk-management systems.
However, tokenized securities, futures and leveraged ETFs may differ in liquidity, trading schedules, pricing methodology and legal structure. Their economic relationships can weaken during market closures or sudden price adjustments, creating risks that conventional exposure-matching formulas may not fully capture.
Investors should monitor Binance’s eventual return to externally referenced BULLA pricing, the remaining transfer availability at XT, KuCoin’s handling of DIAM balances and the performance of tokenized securities under stressed margin conditions.
These incidents and product changes do not demonstrate a shared exchange failure. They show something more fundamental: the ability to trade, transfer or use an asset as collateral increasingly depends on operational and pricing rules that can change rapidly when market conditions become unstable.
Johan Shamshad is a financial markets writer at Dave Finances covering cryptocurrencies, trading platforms, brokers, fintech, financial regulation, and developments across global markets. He previously worked at Gulf News, adding newsroom experience to his coverage of fast-moving financial and digital-asset markets.
His work focuses on identifying market-moving events, company developments, regulatory changes, product launches, and shifts in trading and financial infrastructure.
Johan contributes news and analysis designed to help readers understand not only what happened, but why a development matters and how it may affect the wider financial landscape. You can reach out to him via his social media accounts:
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