CSTL

Castle Biosciences, Inc.

59
Fundamentals63/ 100
Valuation50/ 100
Upside potential60/ 100
Risk potential31/ 100

CSTL has lower modeled downside risk, despite its lower overall score.

OSCR

Oscar Health, Inc.

69
Fundamentals85/ 100
Valuation50/ 100
Upside potential61/ 100
Risk potential35/ 100

OSCR has the edge over CSTL overall, supported by stronger fundamentals and stronger modeled upside.

CSTL Fundamentals

MetricStatus
Healthy
Under pressure
Under pressure
Strong

CSTL's revenue and balance sheet are currently healthy, but its profitability and cash flow are under pressure.

OSCR Fundamentals

MetricStatus
Strong
Healthy
Strong
Strong

OSCR's revenue, profitability, cash flow and balance sheet are all currently healthy.

CSTL PE Valuation

CSTL has no meaningful PE right now: it lost money over the past year.

OSCR PE Valuation

CHEAPFAIREXPENSIVE41x83x124x166x
CHEAPFAIREXPENSIVE41x83x124x166x
LevelPEPriceVs current
Forward12x$31.94—
Current13x$31.94—
Cheap21x$52.73+65%
Fair35x$87.23+173%
Expensive130x$322+907%

Historical ranges are pointers, not guarantees.

OSCR's PE is 13x, but its earnings don't support one, so it isn't a reliable read right now.

CSTL Forward outlook

MetricOutlook
--
Losses shrinking
Strong growth
Strongly improving
Limited
High

Analysts expect CSTL's losses to shrink, with revenue growing.

OSCR Forward outlook

MetricOutlook
Improving
Strong growth
Strong growth
Strongly improving
Limited
Moderate

Analysts expect strong earnings and revenue growth for OSCR, with profitability improving.

CSTL Risk to reward

ScenarioChangePrice
Upside+46%$50.41
Downside-31%$23.84

Calculated from the latest close: $34.50 on Nov 12.

CSTL trails OSCR on modeled risk to reward, with less potential upside relative to its potential downside.

OSCR Risk to reward

ScenarioChangePrice
Upside+55%$49.45
Downside-35%$20.78

Calculated from the latest close: $31.94 on Nov 12.

OSCR has a better modeled risk to reward balance than CSTL, with more potential upside relative to its potential downside.

CSTL Earnings Per Share

Q4 2023: $-2.14Q1 2024: $-1.13Q2 2024: $-0.12Q3 2024: $0.22Q4 2024: $0.62Q1 2025: $-0.19Q2 2025: $-0.35Q3 2025: $-0.45Q4 2025: $-0.83Q1 2026: $-0.42Q2 2026: $-0.64Q3 2026: $-0.75
Q4 2023: $-2.14Q1 2024: $-1.13Q2 2024: $-0.12Q3 2024: $0.22Q4 2024: $0.62Q1 2025: $-0.19Q2 2025: $-0.35Q3 2025: $-0.45Q4 2025: $-0.83Q1 2026: $-0.42Q2 2026: $-0.64Q3 2026: $-0.75
QuarterTTM EPSYoY
Q3 2026-$0.75-$0.30
Q2 2026-$0.64-$0.29
Q1 2026-$0.42-$0.23
Q4 2025-$0.83-234%
Q3 2025-$0.45-305%
Q2 2025-$0.35-$0.23
Q1 2025-$0.19+$0.94
Q4 2024$0.62+$2.76

CSTL is still losing money, but far less than before: $0.75 per share over the past year, against $3.35 at its worst in mid-2023.

OSCR Earnings Per Share

Q4 2023: $-1.22Q1 2024: $-0.42Q2 2024: $-0.15Q3 2024: $-0.08Q4 2024: $0.10Q1 2025: $0.40Q2 2025: $-0.69Q3 2025: $-1.00Q4 2025: $-1.69Q1 2026: $-0.54Q2 2026: $1.45Q3 2026: $2.47Forward: $2.61
Q4 2023: $-1.22Q1 2024: $-0.42Q2 2024: $-0.15Q3 2024: $-0.08Q4 2024: $0.10Q1 2025: $0.40Q2 2025: $-0.69Q3 2025: $-1.00Q4 2025: $-1.69Q1 2026: $-0.54Q2 2026: $1.45Q3 2026: $2.47Forward: $2.61
QuarterTTM EPSYoY
Forward$2.61+5.6%
Q3 2026$2.47+$3.47
Q2 2026$1.45+$2.14
Q1 2026-$0.54-235%
Q4 2025-$1.69-1790%
Q3 2025-$1.00-$0.92
Q2 2025-$0.69-$0.54
Q1 2025$0.40+$0.82
Q4 2024$0.10+$1.32

OSCR has the edge over CSTL on earnings quality, reporting a profit while its opponent remains loss making.

CSTL Quarterly Revenue

Q4 2023: $66MQ1 2024: $73MQ2 2024: $87MQ3 2024: $86MQ4 2024: $86MQ1 2025: $88MQ2 2025: $86MQ3 2025: $83MQ4 2025: $87MQ1 2026: $84MQ2 2026: $104MQ3 2026: $103M
Q4 2023: $66MQ1 2024: $73MQ2 2024: $87MQ3 2024: $86MQ4 2024: $86MQ1 2025: $88MQ2 2025: $86MQ3 2025: $83MQ4 2025: $87MQ1 2026: $84MQ2 2026: $104MQ3 2026: $103M
QuarterRevenueYoY
Q3 2026$102.9M+24%
Q2 2026$103.5M+20%
Q1 2026$83.7M-4.9%
Q4 2025$87M+0.8%
Q3 2025$83M-3.2%
Q2 2025$86.2M-0.9%
Q1 2025$88M+21%
Q4 2024$86.3M+31%

CSTL's revenue is growing: $103M last quarter, up 24% from the same quarter a year ago.

OSCR Quarterly Revenue

Q4 2023: $1.4BQ1 2024: $2.1BQ2 2024: $2.2BQ3 2024: $2.4BQ4 2024: $2.4BQ1 2025: $3BQ2 2025: $2.9BQ3 2025: $3BQ4 2025: $2.8BQ1 2026: $4.6BQ2 2026: $4.9BQ3 2026: $5.1B
Q4 2023: $1.4BQ1 2024: $2.1BQ2 2024: $2.2BQ3 2024: $2.4BQ4 2024: $2.4BQ1 2025: $3BQ2 2025: $2.9BQ3 2025: $3BQ4 2025: $2.8BQ1 2026: $4.6BQ2 2026: $4.9BQ3 2026: $5.1B
QuarterRevenueYoY
Q3 2026$5.1B+72%
Q2 2026$4.9B+70%
Q1 2026$4.6B+53%
Q4 2025$2.8B+17%
Q3 2025$3B+23%
Q2 2025$2.9B+29%
Q1 2025$3B+42%
Q4 2024$2.4B+67%

OSCR has the edge over CSTL on sales, with more consistent year-over-year improvement.

CSTL Free Cash Flow

Q4 2023: $15MQ1 2024: −$16MQ2 2024: $19MQ3 2024: $17MQ4 2024: $17MQ1 2025: −$11MQ2 2025: $12MQ3 2025: $8MQ4 2025: $20MQ1 2026: −$35MQ2 2026: $7MQ3 2026: $12M
Q4 2023: $15MQ1 2024: −$16MQ2 2024: $19MQ3 2024: $17MQ4 2024: $17MQ1 2025: −$11MQ2 2025: $12MQ3 2025: $8MQ4 2025: $20MQ1 2026: −$35MQ2 2026: $7MQ3 2026: $12M
QuarterFree cash flowYoY
Q3 2026$12.2M+57%
Q2 2026$6.6M-43%
Q1 2026-$34.6M-$23.8M
Q4 2025$19.7M+18%
Q3 2025$7.8M-54%
Q2 2025$11.6M-38%
Q1 2025-$10.8M+$5.2M
Q4 2024$16.8M+14%

CSTL still generates free cash flow, though less than at its 2025 peak: $4M over the past year.

OSCR Free Cash Flow

Q4 2023: $291MQ1 2024: $628MQ2 2024: $490MQ3 2024: −$508MQ4 2024: $340MQ1 2025: $870MQ2 2025: $500MQ3 2025: −$974MQ4 2025: $663MQ1 2026: $2.6BQ2 2026: $2.1BQ3 2026: −$1.2B
Q4 2023: $291MQ1 2024: $628MQ2 2024: $490MQ3 2024: −$508MQ4 2024: $340MQ1 2025: $870MQ2 2025: $500MQ3 2025: −$974MQ4 2025: $663MQ1 2026: $2.6BQ2 2026: $2.1BQ3 2026: −$1.2B
QuarterFree cash flowYoY
Q3 2026-$1.2B-$238.2M
Q2 2026$2.1B+316%
Q1 2026$2.6B+200%
Q4 2025$662.8M+95%
Q3 2025-$973.7M-$466M
Q2 2025$499.8M+2.1%
Q1 2025$869.5M+38%
Q4 2024$340M+17%

OSCR has the edge over CSTL on cash flow, with more consistent year-over-year improvement.

CSTL Total Shares

Q4 2023: 27MQ1 2024: 27MQ2 2024: 29MQ3 2024: 29MQ4 2024: 29MQ1 2025: 29MQ2 2025: 30MQ3 2025: 29MQ4 2025: 29MQ1 2026: 30MQ2 2026: 30MQ3 2026: 31M
Q4 2023: 27MQ1 2024: 27MQ2 2024: 29MQ3 2024: 29MQ4 2024: 29MQ1 2025: 29MQ2 2025: 30MQ3 2025: 29MQ4 2025: 29MQ1 2026: 30MQ2 2026: 30MQ3 2026: 31M
PeriodChange %Net change
Quarterly+0.8%+234K shares
1 year+5.4%+1.6M shares
3 years+14%+3.8M shares
5 years+21%+5.3M shares
Available history+64%+11.9M shares

CSTL has the edge over OSCR on shareholder dilution, with a more favorable share count trend.

OSCR Total Shares

Q4 2023: 222MQ1 2024: 294MQ2 2024: 304MQ3 2024: 243MQ4 2024: 266MQ1 2025: 306MQ2 2025: 256MQ3 2025: 259MQ4 2025: 262MQ1 2026: 330MQ2 2026: 333MQ3 2026: 346M
Q4 2023: 222MQ1 2024: 294MQ2 2024: 304MQ3 2024: 243MQ4 2024: 266MQ1 2025: 306MQ2 2025: 256MQ3 2025: 259MQ4 2025: 262MQ1 2026: 330MQ2 2026: 333MQ3 2026: 346M
PeriodChange %Net change
Quarterly+3.9%+13M shares
1 year+34%+87.2M shares
3 years+55%+123M shares
5 years+66%+138M shares
Available history+71%+143M shares

OSCR has 346M diluted shares, up 34% from a year ago.

CSTL Net Leverage

Q3 2024: -6.8xQ4 2024: -4.5xQ1 2025: -2.8xQ2 2025: -3.7xQ3 2025: -9.6x
Q3 2024: -6.8xQ4 2024: -4.5xQ1 2025: -2.8xQ2 2025: -3.7xQ3 2025: -9.6x
QuarterNet LeverageStatus
Q3 2025-9.6xNet Cash
Q2 2025-3.7xNet Cash
Q1 2025-2.8xNet Cash
Q4 2024-4.5xNet Cash
Q3 2024-6.8xNet Cash
Q2 2020-19.8xNet Cash
Q1 2020-8.1xNet Cash
Q4 2019-9.6xNet Cash

CSTL has more cash than debt.

OSCR Net Leverage

Q1 2024: -217.7xQ2 2024: -24.0xQ3 2024: -10.1xQ4 2024: -13.7xQ1 2025: -9.7xQ1 2026: -110.0xQ2 2026: -5.5xQ3 2026: -4.2x
Q1 2024: -217.7xQ2 2024: -24.0xQ3 2024: -10.1xQ4 2024: -13.7xQ1 2025: -9.7xQ1 2026: -110.0xQ2 2026: -5.5xQ3 2026: -4.2x
QuarterNet LeverageStatus
Q3 2026-4.2xNet Cash
Q2 2026-5.5xNet Cash
Q1 2026-110.0xNet Cash
Q1 2025-9.7xNet Cash
Q4 2024-13.7xNet Cash
Q3 2024-10.1xNet Cash
Q2 2024-24.0xNet Cash
Q1 2024-217.7xNet Cash

OSCR has more cash than debt.

CSTL Weekly Momentum

MetricValueStatus
RSI57.0Neutral
Stochastic63.5Neutral

CSTL's weekly RSI is 57 (neutral) and its Stochastic is 63 (neutral).

OSCR Weekly Momentum

MetricValueStatus
RSI58.7Neutral
Stochastic44.9Neutral

OSCR's weekly RSI is 59 (neutral) and its Stochastic is 45 (neutral).

CSTL PE vs Healthcare Sector

MetricCSTLSector medianRelative
PEN/A26x—

CSTL has no meaningful PE right now: it lost money over the past year.

OSCR PE vs Healthcare Sector

MetricOSCRSector medianRelative
PE13x26x50% below
PE %33532 pts below

OSCR is trading at 13x earnings, a 50% discount to the Healthcare sector's median of 26x, though its earnings don't support one.

CSTL Weekly Moving Averages

Moving averageMA priceRelative
8 week MA$34.40.3% above
20 week MA$31.59.6% above
50 week MA$30.015% above
100 week MA$26.431% above
200 week MA$24.441% above

CSTL is in an uptrend: it's above all five of its weekly moving averages, and 41% above its 200-week average.

OSCR Weekly Moving Averages

Moving averageMA priceRelative
8 week MA$31.22.3% above
20 week MA$31.12.8% above
50 week MA$22.939% above
100 week MA$19.365% above
200 week MA$15.5106% above

OSCR is in an uptrend: it's above all five of its weekly moving averages, and 106% above its 200-week average.

CSTL Yearly ROI

YearStart priceEnd priceROI
2020$34.0$71.3+110%
2021$71.3$42.6-40%
2022$42.6$23.2-45%
2023$23.2$21.6-7.1%
2024$21.6$26.8+24%
2025$26.8$39.4+47%
2026 YTD$39.4$34.5-12%

CSTL's yearly returns have swung widely, from +110% in 2020 to −45% in 2022. It's down 12% so far in 2026.

OSCR Yearly ROI

YearStart priceEnd priceROI
2021$31.0$8.02-74%
2022$8.02$2.21-72%
2023$2.21$9.15+314%
2024$9.15$13.8+51%
2025$13.8$14.9+8%
2026 YTD$14.9$31.9+114%

OSCR has the edge over CSTL on returns for 2026, with the stronger performance.

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