Price changes
Pricing and naming changes we detected when re-checking the tools we list. "Old" values are our own earlier records (labelled with the date of that record), not necessarily the vendor's official price history, and a difference can also reflect a plan restructure. Each entry links the source we checked. RSS feed · Get weekly price changes by email
TradeZella
Detected Oct 22, 2026Plan prices differ from our earlier record
Before: $29/month billed monthly or $288/year; Pro $399/year (our Oct 20 record)
Now: Essential $35, Pro $59, Ultra $99 per month billed monthly; $315, $531, $891 per year billed yearly
Massive (formerly Polygon.io)
Detected Oct 22, 2026Rebrand: Polygon.io is now Massive
Before: Polygon.io at polygon.io; individual plans from $29/month to $199/month (our Oct 20 record)
Now: Massive at massive.com; individual plans from $29/month to $199/month (no price change seen)
Spotted a price change we missed? Tell us. Education only, not financial advice.