Saturday 17 October 2026 Export PTGX’s income statement to Excel — free account

Protagonist Therapeutics, Inc.

Protagonist Therapeutics, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $46.0 million, down 89.4% from fiscal 2024. In the quarter to June 2026, revenue grew 3,749.2%, EPS grew 549.1% and free cash flow grew 839.7%, each against the same quarter a year earlier.

128.75 7.80 −5.71%

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Market cap: $8.8B
P/E: 106×
Fwd P/E: 25.0×
Dividend yield: —
F-score: 4/9
Altman Z: 61.55
Beneish M: −7.18
Dividend safety: n/a

Overview Business Profile Financial Analysis Income Statement Balance Sheet Cash Flow Metrics & Ratios 10-Q 10-K

	Jun '26	Mar '26	Dec '25	Sep '25	Older periods
P/E ratio Full definition →	100.48	0.00	0.00	88.57	+8 more quarters Free account
P/S ratio Full definition →	28.66	92.63	120.66	20.25
P/FCF ratio Full definition →	61.90	0.00	99.01	66.49
P/Operating CF Full definition →	36.90	(140.17)	(150.17)	(2,187.08)
P/B ratio Full definition →	9.60	10.47	9.03	6.56
Price to Tangible BV Full definition →	9.60	10.47	9.03	6.56
EV/Sales Full definition →	25.92	85.36	108.55	17.54
EV/EBITDA Full definition →	129.65	0.00	0.00	281.36
EV/Operating CF Full definition →	55.72	(54.21)	86.61	56.06
EV/FCF Full definition →	55.98	(53.63)	89.07	57.60
Quick Ratio Full definition →	21.41	17.41	12.49	12.83
Current Ratio Full definition →	21.71	17.76	12.71	13.05
Net Debt/EBITDA Full definition →	(4.96)	143.14	11.13	12.39
Debt/Assets Full definition →	0.00%	0.00%	0.00%	0.00%
Debt/Equity Full definition →	0.00	0.00	0.00	0.00
Asset Turnover Full definition →	0.35	0.10	0.07	0.32
Operating CF/Net income Full definition →	1.35	(12.94)	0.83	0.05
Capex/Depreciation Full definition →	0.15	1.20	0.23	1.10
Research and Development Expense of Revenue Full definition →	19.70%	82.92%	623.34%	848.96%
Selling, General and Administrative Expense of Revenue Full definition →	5.92%	23.55%	153.74%	236.21%
Intangible Assets out of Total Assets Full definition →	0.00	0.00	0.00	0.00
Share Based Compensation of Revenue Full definition →	6.58%	25.76%	143.89%	224.09%
Graham Net Nets Full definition →	0.09	0.08	0.09	0.13
Graham Number Full definition →	18.72	0.00	0.00	13.07
Earnings Yield Full definition →	1.00%	(1.71%)	(2.35%)	1.13%
Free Cash Flow Yield Full definition →	1.62%	(1.72%)	1.01%	1.50%
Revenue per Share Full definition →	3.24	0.87	0.12	0.07
Operating CF per Share Full definition →	3.32	(0.75)	(0.58)	(0.03)
Capex per Share Full definition →	0.00	0.00	0.00	0.00
Free Cash Flow per Share Full definition →	3.32	(0.76)	(0.58)	(0.03)
Cash per Share Full definition →	11.87	8.42	8.92	9.03
Shareholders Equity per Share Full definition →	12.76	10.07	9.67	10.12
Interest Debt per Share Full definition →	0.00	0.00	0.00	0.00
Book value per Share Full definition →	12.76	10.07	9.67	10.12
Free Cash Flow Full definition →	218.88	(49.16)	(37.12)	(2.02)
Working Capital Full definition →	769.97	578.91	532.13	541.48
Capital Expenditures Full definition →	(0.17)	(0.21)	(0.14)	(0.09)
Net Current Asset Value Full definition →	763.15	571.47	524.09	530.17
EV/EBIT Full definition →	125.29	0.00	0.00	193.08
Capex to Sales Full definition →	0.00	0.00	0.02	0.02
Price to Operating Income Full definition →	138.54	0.00	0.00	222.87
Other line items
Average Receivables Full definition →	89.21	26.85	150.08	5.29
Average Payables Full definition →	3.35	5.68	3.48	4.35
Average Assets Full definition →	801.78	719.80	706.46	652.77
Average Common Equity Full definition →	754.78	672.26	645.00	588.68

Fold the line items

Columns are period end dates

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