According to @TO, the Stacks sBTC cap has been raised, signaling room for more BTC to bridge into the Stacks ecosystem (Source: @TO, Sep 16, 2025 tweet). For directional exposure, STX is the primary asset to monitor because it is the native token for gas and security on Stacks, so higher on-chain activity from additional sBTC liquidity can translate into greater fee demand and potential network usage growth (Source: Stacks Foundation documentation; Stacks Explorer). A higher sBTC cap increases the maximum possible circulating sBTC, making larger BTC-in flows feasible if demand appears; traders should track sBTC supply, cap utilization, and mint/burn queues to confirm whether the new headroom is being used (Source: sBTC documentation; Stacks Explorer). DeFi liquidity plays on Stacks, including sBTC trading and lending pools, could see changes in depth, spreads, and fee APY if sBTC utilization rises; watch pool TVL and volumes to gauge follow-through (Source: ALEX Labs documentation; DeFiLlama analytics). Actionable checklist: 1) STX spot and STX/BTC relative trend alongside on-chain fee activity to validate demand (Source: Stacks Foundation documentation; Stacks Explorer), 2) sBTC circulating supply growth rate and net mint/burn flow as a proxy for BTC bridging (Source: sBTC documentation; Stacks Explorer), 3) DEX pool TVL, volume, and fee APR in sBTC pairs to assess liquidity-driven yield changes (Source: ALEX Labs documentation; DeFiLlama). Key risks are peg design and withdrawal latency for sBTC; monitor protocol updates and signer/custody assumptions before sizing positions (Source: sBTC documentation; Stacks Foundation updates).