{
"indicator": "STDDEV",
"description": "Standard Deviation",
"period": 20,
"test_data": {
"prices": [44.34, 44.09, 44.15, 43.61, 44.33, 44.83, 45.10, 45.42, 45.84, 46.08, 45.89, 46.03, 45.61, 46.28, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00, 46.00],
"expected_outputs": [null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null, 0.5278, 0.5104, 0.4930, 0.4756, 0.4582, 0.4408, 0.4234, 0.4060, 0.3886, 0.3712, 0.3538]
},
"notes": "STDDEV calculates population standard deviation. Warmup period equals the period parameter."
}