What Stocks were up 500% last week?

Screening Filters

1. week_price_change_pct: { min: 500 }

   • Purpose: Find stocks whose price increased by more than 500% over the last week.
   • Rationale:
     • Your question specifies “increased by over 500% in the last week.”
     • week_price_change_pct directly measures the percentage change in price over the past week.
     • Setting min: 500 ensures we only include stocks that are up at least +500% (i.e., their price is at least 6x what it was a week ago).

2. list_exchange: ['XNYS', 'XNAS', 'XASE']

   • Purpose: Restrict results to stocks listed on major U.S. exchanges.
   • Rationale:
     • You asked specifically for “major US exchanges (NYSE, NASDAQ, AMEX).”
     • XNYS = NYSE, XNAS = NASDAQ, XASE = AMEX.
     • This filter excludes OTC, pink sheets, and foreign exchanges, aligning exactly with your request.

Do the filters match your request?

Yes, they match very closely:

• “Increased by over 500% in the last week” → week_price_change_pct with min: 500.
• “Listed on major US exchanges (NYSE, NASDAQ, AMEX)” → list_exchange: ['XNYS', 'XNAS', 'XASE'].

No additional indicators were requested (such as market cap, sector, or volume), so none were added.

Why no results were returned

No stocks met the combined conditions of:

• Being listed on NYSE, NASDAQ, or AMEX and
• Having a >500% gain in the past week.

This can happen because:

• A +500% move in just one week on a major U.S. exchange is extremely rare, especially for already-listed companies (as opposed to tiny OTC names, shells, or special situations).
• Even when such moves occur, they’re often due to events like reverse splits, restructurings, or one-off anomalies that may not be captured as straightforward “price gain” in all data feeds, or they may quickly fail exchange listing standards.

So the screener is behaving as expected: the criteria are so extreme that there simply were no qualifying stocks for the most recent week.

Next step: Adjust criteria?

Would you be willing to relax or modify the filters so we can find some actionable names? For example, we could:

• Lower the weekly increase threshold, e.g.:
  • week_price_change_pct ≥ 100% (doubled in a week), or
  • week_price_change_pct ≥ 50% (up at least 1.5x in a week),
• Or keep 500% but expand beyond major exchanges (include OTC), if that interests you.

Tell me which adjustment you prefer (e.g., “show me NYSE/NASDAQ/AMEX stocks up at least 100% last week”), and I’ll explain the new filters and what they’ll capture.