ThetaData vs Massive (formerly Polygon)

Plans, limits and coverage side by side. No winner is declared where data is missing.

Verified Oct 15, 2026

Comparison

FieldThetaDataMassive (formerly Polygon)
Free tierunknownFree tier
Lowest paid $/mo$40$29
PlansOptions Value: $40
Options Standard: $80
Options Pro: $160
Stocks Basic: $0
Stocks Starter: $29
Stocks Developer: $79
Stocks Advanced: $199
Financials & Ratios: $29
Partner datasets (Benzinga/TMX/ETF Global): $99
Options Basic: $0
Options Starter: $29
Options Developer: $79
Options Advanced: $199
Indices Basic: $0
Indices Starter: $49
Indices Advanced: $99
Currencies Basic: $0
Currencies Starter: $49
Futures Basic: $0
Futures Starter: $29
Futures Developer: $79
Futures Advanced: $199
Rate limitsConcurrent-request limits: 2/4/8Free: 5 calls/min; paid: unlimited
History14+ yrs20+ yrs
Assetsoptions, stocks, indices, interest-ratesus-stocks, options, indices, forex, futures
Real-timereal-timereal-time on Stocks Advanced; 15-min delayed on Starter/Developer
WebSocketstreaming (Pro)yes (Starter and up)

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