Use Case: IEX Level 2 Price-Level Updates for 100 Symbols
A sample Stock API pricing simulation for downloading IEX Level 2 price-level updates over a trading month.
Use Case: IEX Level 2 Price-Level Updates for 100 Symbols
This example estimates the cost of downloading one trading month of IEX Level 2 price-level update data for 100 symbols.
Assumptions
| Item | Value |
|---|---|
| Product | Stock API |
| Workflow | Level 2 price-level update download |
| Endpoint pattern | GET /v1/native/iex/level2-price-level-update/{symbol} |
| Example symbols | AAPL, MSFT, NVDA, TSLA, AMZN |
| Symbols | 100 |
| Trading days | 20 |
| Sample daily response size per symbol | 0.383690114 GB |
| Estimated daily data transfer | 38.37 GB/day |
| Estimated monthly data transfer | 767.38 GB/month |
Example requests:
| Symbol | Example endpoint |
|---|---|
| AAPL | GET /v1/native/iex/level2-price-level-update/AAPL?date=2026-04-30 |
| MSFT | GET /v1/native/iex/level2-price-level-update/MSFT?date=2026-04-30 |
| NVDA | GET /v1/native/iex/level2-price-level-update/NVDA?date=2026-04-30 |
Estimated usage
Sample response size:
0.383690114 GB per symbol per day
For 100 symbols:
0.383690114 GB × 100 = 38.37 GB/day
For 20 trading days:
38.37 GB × 20 = 767.38 GB/month
Pay As You Go estimate
Daily pricing tiers reset each day.
For 38.37 GB/day:
| Tier | Usage | Cost |
|---|---|---|
| First 32 GB/day | 32 GB | $32.00 |
| 32 GB - 128 GB/day | 6.37 GB | $3.18 |
| Total/day | 38.37 GB | $35.18 |
Estimated monthly cost:
$35.18 × 20 trading days = $703.69
Plan comparison
| Plan | Price per Credit | Monthly cost | Included credits | Estimated monthly cost |
|---|---|---|---|---|
| Pay As You Go | $1.00/Credit | No commitment | N/A | $703.69 |
| Committed 64 | $0.85/Credit | $64 | ~75.29 credits | $692.40 |
| Committed 256 | $0.75/Credit | $256 | ~341.33 credits | $618.36 |
| Committed 512 | $0.70/Credit | $512 | ~731.43 credits | $512.00 |
| Committed 1024 | $0.65/Credit | $1,024 | ~1,575.38 credits | $1,024.00 |
Result
For this sample, Committed 512 has the lowest estimated cost because it covers the estimated monthly usage within the included credits.
Pay As You Go may be better for smaller or one-time downloads. Higher-volume users may benefit from a larger committed plan or Enterprise discussion.
Caveat
Actual usage depends on the number of symbols, selected trading days, response size per symbol, market activity, retries, and whether additional native IEX endpoints are downloaded.
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