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What is a price, really? (Market Basics #01)
Posted 2026-11-01
What is a price, really? Market Basics #01: Know that a price is the last trade, and that buying and selling happen at two different prices (bid and ask). Measured on crypto perpetual futures, stock indices, commodities (1 November 2026, 16:10 UTC). Forex is not traded on OKX: no order book in our data. Education, not financial advice.
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What the video says
A price is just the last trade. Here it is, on a real Bitcoin chart.
Every candle is one hour of trades. This line is the last one: the price on your screen.
But right now, buyers wait here. Their best offer is the bid. Sellers wait here. Their lowest price is the ask. The gap between the two is the spread: $0.10 on Bitcoin. Buy now, and you pay the ask. Every trade starts a little behind.
On a $10,000 trade, it costs $0.03 on crypto perpetuals, $0.14 on stock contracts, $0.93 on commodities. Forex isn't on OKX: not measured.
The screen shows the last trade. Your trade pays the gap.
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Backtest results, not financial advice.