ONE (Harmony ONE) Token on Optimism

Contract: 0xb662543f7a99a23c5bd283725ebb5e9ba7319d42

About ONE (Harmony ONE)

Contract0xb662543f7a99a23c5bd283725ebb5e9ba7319d42

SymbolONE

NameHarmony ONE

NetworkOptimism

Optimism Tokens Optimism Pairs

ONE activity (24h)

Price Chart

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Live Trading Data

Time	Price, $	Protocol	Amount	Amount, $	Pool	Hash

Argument "where" has invalid value {Trade: {Currency: {SmartContract: {is: $token}}, Price: {gt: 0}, Side: {Currency: {SmartContract: {in: [$usdc, $usdt, $weth, $usdc2]}}}, Block: {Time: {since: $time_ago}}}}. In field "Trade": In field "Block": Unknown field.

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Pairs	Last Price	Currency	Price, $	10m %	1h %	3h %	Vol(24h)	Vol(24h), $	Trades
ONE / USDT	$0.002296	USDT	$0.002296	0.00%	0.00%	0.00%	64.95	-	8
ONE / GTC	$0.02573	GTC	$0.02573	0.00%	0.00%	0.00%	15.47	-	2
ONE / WETH	$0.000001	WETH	$0.000001	0.00%	0.00%	0.00%	38.64	-	6
ONE / OP	$0.0182	OP	$0.0182	0.00%	0.00%	0.00%	41.77	-	4

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Protocol	Volume, $	Vol(24h)	Pairs	Trades
Uniswapuniswap_v3	-	1.75K	5	126

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Trader	Volume, $	Vol(24h)	Buy, $	Sell, $	Trades	Buy trades	Sell trades	Markets
0x7d…2e54	-	41.77	-	-	4	4	0	1
0xf0…4c5e	-	15.47	-	-	2	0	2	1
0xdc…e1e3	-	23.18	-	-	4	0	4	1
0x2f…5ff7	-	38.64	-	-	6	6	0	2
0xbb…7d9a	-	41.77	-	-	4	0	4	1

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Trade Archive (Last 30 Days)

Time	Protocol	Side	Token	Quote token	Token amount	Token amount, $	Quote amount	Quote amount, $	Trades	Buy volume (quote)	Sell volume (quote)	Pool
1h 58m 48s ago	Uniswapuniswap_v3	BUY	ONE	WETH	6.6	-	0.000007	$0.02	1	0.000007	0	0xdc…e1e3
1h 58m 48s ago	Uniswapuniswap_v3	SELL	ONE	GTC	6.6	-	0.17	-	1	0	0.17	0xf0…4c5e
4h 32m 16s ago	Uniswapuniswap_v3	BUY	ONE	USDT	8.87	-	0.02	$0.02	1	0.02	0	0x2e…2470
4h 32m 16s ago	Uniswapuniswap_v3	SELL	ONE	WETH	8.87	-	0.000009	$0.02	1	0	0.000009	0xdc…e1e3
8h 32m 36s ago	Uniswapuniswap_v3	BUY	ONE	USDT	4.78	-	0.01	$0.01	1	0.01	0	0x2e…2470
8h 32m 36s ago	Uniswapuniswap_v3	SELL	ONE	WETH	4.78	-	0.000005	$0.01	1	0	0.000005	0xdc…e1e3
8h 43m 6s ago	Uniswapuniswap_v3	SELL	ONE	GTC	8.86	-	0.23	-	1	0	0.23	0xf0…4c5e
8h 43m 6s ago	Uniswapuniswap_v3	BUY	ONE	WETH	8.86	-	0.000009	$0.02	1	0.000009	0	0xdc…e1e3
9h 42m 4s ago	Uniswapuniswap_v3	BUY	ONE	USDT	11.54	-	0.03	$0.03	1	0.03	0	0x2e…2470
9h 42m 4s ago	Uniswapuniswap_v3	SELL	ONE	OP	11.54	-	0.21	$0.03	1	0	0.21	0xbb…7d9a
9h 45m 14s ago	Uniswapuniswap_v3	SELL	ONE	WETH	4.65	-	0.000005	$0.01	1	0	0.000005	0xdc…e1e3
9h 45m 14s ago	Uniswapuniswap_v3	BUY	ONE	USDT	4.65	-	0.01	$0.01	1	0.01	0	0x2e…2470
9h 59m 50s ago	Uniswapuniswap_v3	BUY	ONE	USDT	11.43	-	0.03	$0.03	1	0.03	0	0x2e…2470
9h 59m 50s ago	Uniswapuniswap_v3	SELL	ONE	OP	11.43	-	0.21	$0.03	1	0	0.21	0xbb…7d9a
10h 16m 38s ago	Uniswapuniswap_v3	BUY	ONE	USDT	8.82	-	0.02	$0.02	1	0.02	0	0x2e…2470
10h 16m 38s ago	Uniswapuniswap_v3	SELL	ONE	OP	8.82	-	0.16	$0.02	1	0	0.16	0xbb…7d9a
11h 57m 48s ago	Uniswapuniswap_v3	SELL	ONE	OP	9.98	-	0.18	$0.02	1	0	0.18	0xbb…7d9a
11h 57m 48s ago	Uniswapuniswap_v3	BUY	ONE	USDT	9.98	-	0.02	$0.02	1	0.02	0	0x2e…2470
12h 10m 30s ago	Uniswapuniswap_v3	BUY	ONE	USDT	4.87	-	0.01	$0.01	1	0.01	0	0x2e…2470
12h 10m 30s ago	Uniswapuniswap_v3	SELL	ONE	WETH	4.87	-	0.000005	$0.01	1	0	0.000005	0xdc…e1e3
17/03 13:42:29	Uniswapuniswap_v3	BUY	ONE	WETH	6.22	-	0.000006	$0.02	1	0.000006	0	0xdc…e1e3
17/03 13:42:29	Uniswapuniswap_v3	SELL	ONE	GTC	6.22	-	0.16	-	1	0	0.16	0xf0…4c5e
17/03 13:42:27	Uniswapuniswap_v3	SELL	ONE	OP	7.97	-	0.14	$0.02	1	0	0.14	0xbb…7d9a
17/03 13:42:27	Uniswapuniswap_v3	BUY	ONE	SYN	23.34	-	1.1	$0.05	1	1.1	0	0x44…4ca7
17/03 13:42:27	Uniswapuniswap_v3	BUY	ONE	WETH	7.97	-	0.000008	$0.02	1	0.000008	0	0xdc…e1e3
17/03 13:42:27	Uniswapuniswap_v3	SELL	ONE	GTC	23.34	-	0.59	-	1	0	0.59	0xf0…4c5e
17/03 13:42:25	Uniswapuniswap_v3	SELL	ONE	WETH	32.52	-	0.000034	$0.08	1	0	0.000034	0xdc…e1e3
17/03 13:42:25	Uniswapuniswap_v3	BUY	ONE	SYN	32.52	-	1.55	$0.08	1	1.55	0	0x44…4ca7
17/03 07:34:57	Uniswapuniswap_v3	SELL	ONE	WETH	4.13	-	0.000004	$0.01	1	0	0.000004	0xdc…e1e3
17/03 07:34:57	Uniswapuniswap_v3	BUY	ONE	SYN	4.13	-	0.2	$0.009613	1	0.2	0	0x44…4ca7
17/03 07:34:55	Uniswapuniswap_v3	BUY	ONE	WETH	6.33	-	0.000006	$0.02	1	0.000006	0	0xdc…e1e3
17/03 07:34:55	Uniswapuniswap_v3	SELL	ONE	GTC	6.33	-	0.16	-	1	0	0.16	0xf0…4c5e
16/03 22:15:33	Uniswapuniswap_v3	SELL	ONE	GTC	62.6	-	1.55	-	1	0	1.55	0xf0…4c5e
16/03 22:15:33	Uniswapuniswap_v3	BUY	ONE	OP	62.6	-	1.11	$0.15	1	1.11	0	0xbb…7d9a
16/03 22:09:19	Uniswapuniswap_v3	BUY	ONE	WETH	4.12	-	0.000004	$0.009997	1	0.000004	0	0xdc…e1e3
16/03 22:09:19	Uniswapuniswap_v3	SELL	ONE	USDT	4.12	-	0.009989	$0.009989	1	0	0.009989	0x2e…2470
16/03 21:48:27	Uniswapuniswap_v3	BUY	ONE	WETH	4.63	-	0.000005	$0.01	1	0.000005	0	0xdc…e1e3
16/03 21:48:27	Uniswapuniswap_v3	SELL	ONE	USDT	4.63	-	0.01	$0.01	1	0	0.01	0x2e…2470
16/03 21:46:51	Uniswapuniswap_v3	BUY	ONE	OP	4.05	-	0.07	$0.01	1	0.07	0	0xbb…7d9a
16/03 21:46:51	Uniswapuniswap_v3	SELL	ONE	WETH	4.05	-	0.000004	$0.01	1	0	0.000004	0xdc…e1e3
16/03 21:39:45	Uniswapuniswap_v3	SELL	ONE	WETH	4.06	-	0.000004	$0.01	1	0	0.000004	0xdc…e1e3
16/03 21:39:45	Uniswapuniswap_v3	BUY	ONE	SYN	4.06	-	0.19	$0.01	1	0.19	0	0x44…4ca7
16/03 21:39:43	Uniswapuniswap_v3	SELL	ONE	USDT	4.68	-	0.01	$0.01	1	0	0.01	0x2e…2470
16/03 21:39:43	Uniswapuniswap_v3	BUY	ONE	WETH	4.68	-	0.000005	$0.01	1	0.000005	0	0xdc…e1e3
16/03 21:25:49	Uniswapuniswap_v3	BUY	ONE	WETH	4.65	-	0.000005	$0.01	1	0.000005	0	0xdc…e1e3
16/03 21:25:49	Uniswapuniswap_v3	SELL	ONE	USDT	4.65	-	0.01	$0.01	1	0	0.01	0x2e…2470
16/03 21:25:47	Uniswapuniswap_v3	SELL	ONE	WETH	6.11	-	0.000006	$0.02	1	0	0.000006	0xdc…e1e3
16/03 21:25:47	Uniswapuniswap_v3	BUY	ONE	SYN	6.11	-	0.29	$0.02	1	0.29	0	0x44…4ca7
16/03 21:25:45	Uniswapuniswap_v3	SELL	ONE	WETH	4.98	-	0.000005	$0.01	1	0	0.000005	0xdc…e1e3
16/03 21:25:45	Uniswapuniswap_v3	BUY	ONE	OP	4.98	-	0.09	$0.01	1	0.09	0	0xbb…7d9a

ONE FAQ

Frequently asked questions about ONE (Harmony ONE) on Optimism

What is ONE (Harmony ONE)?

ONE (Harmony ONE) is a cryptocurrency token on the Optimism blockchain. It is actively traded across 1 DEX market on Uniswap. There are 4 active trading pairs for ONE.

What is the current ONE price?

The most recent on-chain trade price for ONE on Optimism is $0.002296 (ONE / USDT pair). This is sourced from live DEX swap data and updates in real-time as new trades execute on-chain.

What is the ONE price change?

Based on the most active ONE trading pair (ONE / USDT) on Optimism: 10-minute change: +0.00%. 1-hour change: +0.00%. 24-hour change: +0.00%. These figures reflect on-chain DEX trade data and update as new swaps occur.

What is the ONE market cap?

Market capitalisation requires the total circulating supply of ONE, which is not tracked by on-chain DEX data alone. For ONE market cap, total supply, and fully diluted valuation, refer to aggregator sites such as CoinGecko or CoinMarketCap. This page focuses on live DEX trading activity — price, volume, pairs, liquidity pools, and trader analytics — all sourced directly from on-chain Optimism transactions.

Where can I trade ONE?

ONE can be traded on 1 DEX market on Optimism, including Uniswap. The most active trading pairs are ONE / USDT, ONE / GTC, ONE / WETH. See all Optimism trading pairs.

What is the ONE contract address?

The official ONE smart contract address on Optimism is 0xb662543f7a99a23c5bd283725ebb5e9ba7319d42. Always verify this address against the official project sources before trading or sending funds.

Which DEXes list ONE?

ONE is listed on 1 DEX market on Optimism across 1 protocol: Uniswap. The highest-volume venues are Uniswap.

What trading pairs does ONE have?

ONE has 4 active trading pairs on Optimism. The top pairs by volume are ONE / USDT, ONE / GTC, ONE / WETH.

Who are the top ONE traders?

The top traders leaderboard tracks 5 wallets that have traded ONE on Optimism. Use the Top Traders tab to identify whales and monitor concentrated flows.

Is ONE price data real-time?

Yes. The Last Trades tab streams live DEX swap data for ONE on Optimism sourced via the Bitquery API. The price chart updates in real-time as new trades execute. All data is sourced directly from on-chain transactions — there is no delay or interpolation. You can also browse all Optimism tokens or Optimism trading pairs.

How do I get the ONE API data?

Every tab on this page has a “Get API” button (and “Get Stream” for live trades) that opens the exact Bitquery GraphQL query powering that view in the Bitquery IDE. You can customise filters, networks, and time ranges to build your own ONE analytics dashboard or trading system. Explore more data on the Optimism DEX overview.