Historical replay · IOST/USD
IOST Rose 45% After Its Mainnet Upgrade: an 18-Hour Climb, Then 15% in One Quarter-Hour (October 2026)
IOST was $0.000745 at 10:00 UTC on October 20, 2026, a day after its v4.0.0 mainnet upgrade went live, and had traded about $150,000 a day the week before. The 10:00 hour traded $93,000 and the 11:00 hour $307,000; by 20:45 the pair was above $0.0010, up 46%, on $8.6 million for the day. After an overnight fade to $0.000967, the 03:00 candle on October 21 jumped 15.3% on $1.18 million and 18,903 trades, the 03:30 candle printed the high of $0.00125, and the 04:00 candle gave back 13.2%. Replay a market that re-rated a token in two steps, eighteen hours apart.
IOST is a small layer-1 token that had spent October trading between $0.00070 and $0.00078 on $100,000 to $200,000 of Binance volume a day, a market so thin that a $50,000 order moved it. Its network completed the v4.0.0 mainnet upgrade on October 19, 2026, and the South Korean exchange Upbit announced it would suspend IOST deposits and withdrawals from October 21 for the hard fork. Nothing happened to the price for the first twenty-four hours: the pair opened October 20 at $0.000746 and was at $0.000745 at 10:00 UTC with $3,000 quarter-hours.
The first leg was a staircase rather than a spike. The 10:15 candle traded $20,000 and the 10:30 candle $32,000, both small but ten times the morning's rate, and the price climbed one or two percent at a time: $0.000783 at 11:00, $0.000824 at 13:00, $0.000867 at 14:00, with the 14:00 quarter-hour the first to trade $200,000. The 15:45 candle traded $344,000 and the 16:45 candle $363,000, the heaviest of the European evening, and the 16:45 candle was the first real rejection, from $0.000953 to $0.000916. Then the US evening took over: the 18:45 candle rose 4.6% to $0.000985 on $226,000, the 20:45 candle 9% to $0.001088 on $353,000, and the 21:00 candle printed $0.001129, 51% above the morning price, on $504,000, and closed 2.4% lower. The day ended at $0.001054, up 41%, on $8.6 million, sixty times the prior week's daily turnover.
The overnight session tested the move and then extended it. From 23:45 to 02:45 UTC the price fell in steps, $0.001054, $0.001018, $0.000982, with a low of $0.000967 in the 01:00 candle, 14% below the evening high; the 01:45 candle recovered to $0.001094 on $503,000 and the 02:00 candle gave it all back again on $546,000 and 9,003 trades. Then the 03:00 candle: from $0.000989 to a close of $0.00114 with a high of $0.00117, a 15.3% quarter-hour on $1.18 million and 18,903 trades, the busiest fifteen minutes in the pair's recent history. The 03:15 candle added 7% to $0.00122, the 03:30 candle printed the high of $0.00125 on $1.23 million, the heaviest volume of the two days, and closed at $0.001239; the 03:45 candle fell 3.1% and the 04:00 candle dropped 13.2% to $0.001041 on $1.2 million, erasing both bursts in fifteen minutes. By 05:00 UTC the pair was $0.001087, up 45% in 24 hours and 13% below the high.
Three things to study. The first leg had no single candle larger than 9% and took ten hours; the second leg did 25% in forty-five minutes. The heaviest-volume candles of the whole event, 03:30 and 04:00 UTC, were the top and the reversal, which is the pattern this site has recorded in Osmosis, Nillion and Starknet this month: the buyers who finished the move were the sellers who ended it. And the catalyst was a day old when the market moved, so the trade was not the news but the volume that arrived with it. A thin token that trades $8 million in a day after trading $150,000 has changed hands; what it does next depends on who holds it now.