Two major assets have already kicked off as we enter October, but it’ll take some time to trickle down into the altcoin market. Here are some tokens and confirmed bullish catalysts to keep an eye on: [ SOL, XRP, LTC ] SEC ETF decision-packed month: Due to the new universal listing standards, exchanges can now list crypto ETFs under unified rules. This could lead to a wave of batch listings (with SOL being a key focus). Multiple media outlets and analysts are calling October the 'ETF Month,' with expectations for a SOL ETF around October 10 and an XRP ETF mid-October. [ OP, ZORA ] The OP Stack network-wide upgrade began activation on October 2, with Base set to execute during the October 7–8 window. This upgrade primarily improves performance and interoperability across the OP ecosystem chains, benefiting dApps on OP, Base, Zora, Mode, and more. [ AAVE ] Aave V4 mainnet launch is imminent. The roadmap and governance posts have set a Q4 target for deployment. The architecture upgrade will enhance capital efficiency. [ SNX ] Synthetix’s first Ethereum mainnet Perps DEX has been officially announced to go live in Q4. This will bring perpetual contracts directly to Ethereum L1, serving as a clear catalyst for market makers and fee flowbacks. [ IMX, MATIC ] Polygon × Immutable Gaming Hub: The two have announced a new cross-chain gaming hub that will integrate AggLayer. The main focus is on content distribution and user conversion within the IMX/MATIC ecosystem. [ MORPHO ] Morpho launches Vaults V2 on Ethereum mainnet: Vaults V2 is a new open-source asset management standard. This product iteration strengthens its position in the lending and yield aggregation space while attracting more assets.