Direct answer
In forex quoting, the bid price is the price at which market participants are willing to buy a currency pair, and the ask price is the price at which they are willing to sell that pair. Many quotes display both numbers together (for example, “bid/ask”), and the bid–ask spread is the difference between ask and bid.
Explanation: what they mean and how quotes work
A forex quote represents two sides of the same market at the same moment:
- Bid price: the amount you would receive if you sell the base currency and buy the quote currency at that moment.
- Ask price: the amount you would pay if you want to buy the base currency and sell the quote currency at that moment.
Because buying and selling happen at different prices, the ask is generally higher than the bid. That gap is commonly called the spread. In practice, traders and brokers may execute at one of these two prices depending on whether the action is effectively “buy” or “sell” from the trader’s perspective.
When you see a forex pair quote, remember the pair’s labeling matters:
- The base currency is the first currency in the pair.
- The quote currency is the second.
Bid and ask are always expressed in terms of how much of the quote currency relates to one unit of the base currency, following the pair’s market convention.
Example checks and what to verify
If a quote shows bid = 1.2000 and ask = 1.2003 for the same pair, then the spread = 0.0003 (ask minus bid). A key independent check is to compare multiple updates: during normal conditions, the bid–ask spread may widen or narrow, reflecting liquidity and pricing dynamics.
Another practical check is to look at trade execution details in your trading platform or broker statement (without assuming outcomes). You can verify which side of the quote was used by matching your order direction with whether execution occurred at the bid or at the ask shown around the execution time.
Limitations and risks
Bid and ask are market quotes, not guarantees. Real execution can differ from what you saw a moment earlier because quotes change continuously, and order fills depend on liquidity and platform behavior.
Also, spreads are not fixed: they can vary by time and market conditions, meaning transaction costs tied to spread can change even if the “mid” value looks similar.
Finally, without live data for your specific instrument and venue, you cannot infer future price movement from bid/ask alone, and you should not treat any single quote snapshot as reliable for future outcomes.