The total cryptocurrency market cap briefly climbed back above $3 trillion on Tuesday as Bitcoin and the largest altcoins extended a broad rally.Bitcoin traded around $86,000, up about 4.5% over 24 hours, per CoinGecko. Total market value stood just below $3 trillion at the time of writing, up about 4.3% on the day.The market was at roughly $2.66 trillion on September 18. The move to $3 trillion is a gain of about 13% in four sessions.Leverage Is Back at Record-High LevelsThe rally has brought leverage with it.Open interest in perpetual futures across crypto climbed to nearly $160 billion, the highest since late October 2025, Bloomberg reported. More than $920 million in bearish positions were liquidated Monday as prices surged.The reference point matters. Late October 2025 was when Bitcoin last traded near its record above $120,000. Hyperliquid's trader long/short ratio touched 2.71 last week, also its highest since that period.Leverage at those levels amplifies moves in either direction. The same positioning that forced shorts out on the way up becomes forced selling if price reverses.CoinDesk data showed total futures volume up 38% to $292 billion over 24 hours against a 1% rise in open interest, pushing the volume-to-open-interest ratio to nearly 2 — the signature of a short squeeze rather than fresh conviction-driven positioning.Spot Demand Arrived Alongside ItThe leverage build is only half the picture.US spot Bitcoin ETFs drew nearly $1 billion on Monday, their largest single-day inflow since October 2025. That is spot buying through regulated vehicles, not borrowed exposure.Part of that bid may be mechanical. Ledn co-founder Mauricio Di Bartolomeo noted that dealers who sold calls on BlackRock's IBIT fund cover by buying shares, and new ETF shares require buying Bitcoin — so options hedging reaches the coin itself. The headline flow figure does not separate hedging from allocation.Roughly $14 billion of Bitcoin options expire on Deribit on Friday, the largest single date this year, with call concentrations at $85,000 and $100,000.Altcoins Are Taking Share From BitcoinEther gained about 2.3% to $2,745, XRP rose 5.7% to $1.53 and Solana advanced 3.6% to $117. BNB rose 1.6%.Dogecoin was among the strongest large caps, up about 11%.At around $86,000, Bitcoin's market value is roughly $1.7 trillion — about 57% of a $3 trillion market. Bitcoin dominance stood at 59.2% earlier in September, so altcoins have gained share through the rally.That rotation carries the warning sign. Dogecoin open interest jumped 10% in a single day earlier this week, the largest rise among the top 10. A sustained build in memecoin leverage has historically appeared near interim tops, as speculative appetite runs ahead of the underlying move.AKE Shows What Speculation Looks LikeAkedo's AKE token, an AI gaming and content project, has gained about 170% over seven days, lifting its market cap to roughly $1.2 billion, per CoinMarketCap.It hit an all-time high of $0.1467 on Sunday before plunging more than 60% from its peak. Traders exchanged $108.9 million worth of AKE over 24 hours.A 170% weekly gain and a 60% drawdown from the high in the same week describe a token being traded rather than held. It is the small-cap version of the leverage story playing out across the market.The Levels That MatterBitcoin has cleared the $80,000-$82,000 band that held nearly 8% of supply and the May high of $82,820.It now sits at the upper edge of the $83,000-$86,000 long-term holder supply zone, where holders who bought in that range can exit at breakeven. The 100-week moving average near $89,000 is the next marked resistance.Oil is supplying the macro tailwind. WTI fell to $89, roughly 15% below its September high, after reports that Iran could reopen the Strait of Hormuz within seven days if the US eased its blockade.