Does Polygon (Massive) offer real-time data on the $29 plan?

No, and this is the most common misconception. The $29 Starter and $79 Developer tiers both deliver 15-minute-delayed data; their upgrade over free Basic is unlimited calls, WebSocket access, and deeper history, not the live tape. Full real-time SIP starts at the $199 Advanced tier. If your strategy needs the live consolidated tape, budget for Advanced from the start.

Is Polygon (Massive) pricing worth it for a retail quant?

Usually yes, if you match the tier to your need. For backtesting or a delay-tolerant strategy, Starter ($29) or Developer ($79) is genuinely cheap for unlimited calls and years of US-equities history. For the live tape, the $199 Advanced tier is competitive and gives a predictable flat bill. It disappoints only when you need real-time but budgeted for a delayed tier, or when usage is too bursty for a flat plan.

When should I choose a usage-based vendor over Polygon (Massive)?

When usage is bursty or hard to predict, or when you need granularity a flat retail tier does not emphasize. Polygon's flat tiers ($29 to $199) suit steady, predictable needs and easy budgeting. A usage-based vendor like Databento, billing per GB with no contract and free credits to test, fits irregular bursts where you pay only for what you pull. Compare your expected volume against both models first.

Is Polygon (Massive) Pricing Worth It in 2026?

The short answer

Is Polygon (now Massive) pricing worth it in 2026? For retail and indie quants on a predictable flat bill, usually yes, with one catch: real-time data costs more than expected. The Stocks ladder is free Basic, $29 Starter and $79 Developer (both 15-minute-delayed), and $199 Advanced for real-time SIP. It is worth it when delayed data or the $199 tier fits; the wrong fit if you need the live tape cheaply.

Is Polygon (now Massive) pricing worth it in 2026? For retail and indie quants who need US equities, options, or crypto data on a predictable flat bill, usually yes, with one catch: real-time data costs more than most expect. Polygon's Stocks API ladder is free Basic (5 calls/minute, end-of-day data), $29/month Starter and $79/month Developer (both still 15-minute-delayed), and $199/month Advanced for full real-time SIP data. The common mistake is assuming the $29 or $79 tier is real-time; it is not. Polygon (Massive) is worth it when delayed data or the $199 real-time tier fits your strategy and budget; it is the wrong fit if you need the live tape on a tight budget. Model the tier you actually need in the Data-Vendor TCO Calculator.

TL;DR

Stocks tier	Price	Data	History	WebSocket
Basic	$0	end-of-day, 5 calls/min	~2 years	no
Starter	$29/mo	15-min delayed, unlimited calls	5 years	yes
Developer	$79/mo	15-min delayed, unlimited calls	10 years	yes
Advanced	$199/mo	real-time SIP, unlimited calls	20+ years	yes (real-time)

Stocks-tier figures verified against the official pricing page; Polygon.io rebranded to Massive on October 30, 2025, with APIs and keys unchanged. Options, Indices, and Currencies/Crypto are separate product lines with their own ladders.

The pricing in one glance

Polygon (now Massive) sells its Stocks API in four tiers. Basic is free but a sandbox: 5 API calls per minute, end-of-day data, roughly two years of daily history, no streaming. Starter at $29/month and Developer at $79/month both lift the call cap to unlimited, add WebSocket access, and extend history (5 and 10 years), but both remain 15-minute-delayed feeds. Advanced at $199/month is the first tier with full real-time SIP data, 20+ years of history, and real-time WebSocket.

The single most important fact: real-time data starts at $199, not $29 or $79. The cheaper paid tiers buy more calls and deeper history, not the live tape.

When the pricing is worth it

For most retail and indie-quant buyers, the value case is strong if you read the tiers correctly. If your strategy backtests on historical data or trades on a cadence that tolerates a 15-minute delay, Starter or Developer at $29 to $79/month is genuinely cheap for unlimited calls and years of history. If you need the live consolidated tape, the $199 Advanced tier is competitive with other real-time SIP feeds and gives a predictable flat monthly bill, which many builders prefer over usage-based metering.

Polygon's data depth on US equities and options is a real strength, and the flat-tier model makes budgeting simple. For the right tier matched to the right need, it is worth it.

When it is not worth it

The pricing disappoints in two cases. First, if you need real-time data but budgeted for the $29 or $79 tier: those are delayed feeds, and discovering you need Advanced at $199 after building on a delayed assumption is the most common regret. Second, if you only touch data occasionally, the free Basic tier's 5-calls-per-minute cap is too tight for a live universe, and paying $29 for a delayed feed may still not fit a bursty, low-volume workload better served by a usage-based vendor like Databento.

Read the real-time-versus-delayed split before you commit, because that single detail decides whether the pricing fits.

The decision

Backtesting or delay-tolerant strategy, want unlimited calls: worth it. Starter ($29) or Developer ($79).
Need the live consolidated tape, want a flat bill: worth it. Advanced ($199) for real-time SIP.
Budgeted for $29 to $79 expecting real-time: not worth it as planned. Real-time starts at $199.
Occasional, bursty, low-volume use: maybe not. Consider a usage-based vendor instead.
Need options, indices, or FX/crypto: check those separate product ladders, not the Stocks tiers.

Polygon (Massive) is worth it when you pick the tier that matches your real-time-versus-delayed need. The pricing only disappoints when you assume a cheaper tier delivers real-time data that it does not.

Model the tier you actually need

The headline tier list hides the real question: do you need real-time, and over how many instruments. Model that against the $29 to $199 ladder in the Data-Vendor TCO Calculator, and if you are deciding between flat-tier and usage-based pricing, compare with the Databento worth-it review before committing.

Polygon.io Pricing 2026: the full tier-by-tier breakdown.
Databento vs Polygon.io 2026: flat-tier versus usage-based depth.
Polygon.io Free Tier Limits 2026: what the free Basic tier rules out.

Connects to

Data-Vendor TCO Calculator: cost of the tier matched to your real-time need.
Order-Book Replay: test execution against historical depth.

Sources

Massive (formerly Polygon.io), "Pricing," massive.com/pricing (accessed 2026-05-26).

Frequently asked questions

Does Polygon (Massive) offer real-time data on the $29 plan?: No, and this is the most common misconception. The $29 Starter and $79 Developer tiers both deliver 15-minute-delayed data; their upgrade over free Basic is unlimited calls, WebSocket access, and deeper history, not the live tape. Full real-time SIP starts at the $199 Advanced tier. If your strategy needs the live consolidated tape, budget for Advanced from the start.
Is Polygon (Massive) pricing worth it for a retail quant?: Usually yes, if you match the tier to your need. For backtesting or a delay-tolerant strategy, Starter ($29) or Developer ($79) is genuinely cheap for unlimited calls and years of US-equities history. For the live tape, the $199 Advanced tier is competitive and gives a predictable flat bill. It disappoints only when you need real-time but budgeted for a delayed tier, or when usage is too bursty for a flat plan.
When should I choose a usage-based vendor over Polygon (Massive)?: When usage is bursty or hard to predict, or when you need granularity a flat retail tier does not emphasize. Polygon's flat tiers ($29 to $199) suit steady, predictable needs and easy budgeting. A usage-based vendor like Databento, billing per GB with no contract and free credits to test, fits irregular bursts where you pay only for what you pull. Compare your expected volume against both models first.