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Research & notes

Is a 30-Day Free Trial Enough to Judge an Indicator?

A 30-day trial is enough to judge how an indicator looks and behaves on your own charts, and not enough to judge its long-run accuracy. Thirty days is roughly 21 daily bars of sample, far too few to measure a coverage rate, so the trial and the published evidence do different jobs.

What can a trial show?

A trial shows usability, display and closed-bar behavior: whether the range is readable on your instruments, whether closed bars stay fixed, and whether the live marker updates sensibly.

Question Answered by the trial? Answered by published evidence?
Is it readable on my charts? Yes No
Do closed bars stay fixed? Yes Partly (documented behavior)
How often does price stay inside? No (~21 daily bars) Yes (24,248 closes in the paper)
What are the failure cases? Sometimes Yes, if published

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What can a trial not show?

It cannot show a containment rate, because about 21 daily bars produce a count too small to separate ~71% from other values. The Behavioral Transform Model's rate is measured on 24,248 S&P 500 closes, 1927–2024, with a finite-sample benchmark of 67.46%.

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A trial also may not include a market stress. Crisis onset, where containment fell to roughly 65%, is the kind of regime a calm 30 days will not display. Past behavior is not a guarantee of future results.

How should the trial be used?

Use it to check fit, then check the evidence separately, as how to evaluate a paid trading indicator outlines. The paper validates calibration, not the profitability of any use.

Frequently asked questions

How does the Oisigma trial work?

It is 30 days free; current pricing is on the signup page. Cancellation is available at any time.

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Can the trial be extended?

Trial length is set by the offer on the signup page; this post does not promise exceptions.

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What should be tested during the trial?

Several instruments and timeframes you actually use, and one volatile stretch if the chart history includes it.

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Read the working paper and the Proof page, or start the 30-day free trial, cancel anytime.

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Now, your charts

Curious how this looks on your charts?

Try it free for 30 days and see the range update as new bars print, on whatever symbols and timeframes you actually trade.

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