Option Omega alternative: when Vesper fits, and when it does not
Option Omega and Vesper both test options strategies on real quotes, but they are built for different traders. What each one does, from its own pages, so you can pick the one that fits how you trade.
What Option Omega is built for
Option Omega describes itself as an options backtesting and automated trading platform. Its pages say backtests fill from recorded bid and ask quotes at one-minute resolution from January 2013, on a set list of symbols led by SPX, SPY and QQQ. Strategies are built in a no-code form, or described in plain language through its MCP server, and its top plan runs automations at tastytrade, Tradier, Schwab and TradeStation.
That makes it a strong fit for intraday and 0DTE index traders who want minute-level fills and want the tool to place the trades. Its plans are billed annually with a short free trial; its pricing page has the current figures.
What Vesper is built for
Vesper is built for slower premium selling: cash-secured puts, put credit spreads and the wheel, 30 to 45 days out. You describe an idea in plain English, it shows the exact rule before running anything, replays it at the bid a seller receives on end-of-day option quotes from March 2022 (and on daily prices with a measured haircut back to 2016), scores it on years the rule was not tuned on, and shows the low end of the range rather than the average. A strategy you keep is then tracked forward on paper.
It never places an order and never connects to a broker, and it has a Free plan with no card to start. It works with end-of-day data only, so it cannot test intraday or 0DTE trades; our own 0DTE lesson is research, not a feature.
The differences that matter
Time frame: Option Omega tests at one-minute resolution, so it can answer intraday questions. Vesper tests end of day, which is enough for trades held weeks, not hours.
Placing trades: Option Omega can automate entries at four brokers on its top plan. Vesper only paper trades, by design, so it never needs your brokerage login.
Judging a result: both show backtests on real quotes. Vesper adds a verdict against cash, scores on held-out years and reports the low end of the range, because a curve tuned on the same data it is shown on looks better than the strategy is. Our six questions for any backtester apply to both tools.
Cost to start: Option Omega offers a trial on each paid plan. Vesper has a Free plan for as long as you like.
Which one to choose
If you trade 0DTE or intraday SPX and want the tool to place your trades, Option Omega is the better fit. If you sell puts and spreads on a weekly or monthly rhythm and want an idea tested conservatively and tracked on paper before any money goes in, Vesper is.
Nothing stops you running the same rule in both and comparing the answers. When two backtesters disagree, the difference is almost always the fill model or the years covered, which is worth knowing before you trade it.
Historical replays are not a forecast. Options can lose more than the premium collected. This is education, not a recommendation to trade anything.