Issued 2026-09-16 at $75.60 · now $75.60 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, BYD has typically landed between $66.65 and $84.59 — a range of −11.8% to +11.9% from the issuance price $75.60.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
5,003 overlapping 1 month windows · 2006-09-26 – 2026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.7–56.1%, ≈1,408 obs).
The cone is anchored at the 2026-09-16 issuance close ($75.60) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.
Where BYD has typically landed a month from the 2026-09-16 close of $75.6 — the range is history, not a prediction.
- now $75.6 (+0.0%)
- typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $76 (+0.5%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $72.1–$79.9
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $66.65–$84.59
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2020-02-18 | −76.7% | −76.7% | +3.1% |
| 2020-02-13 | −67.6% | −67.6% | +3.9% |
| 2020-02-19 | −67.1% | −77.0% | +1.9% |
| 3 best | |||
| 2009-03-31 | +146.6% | +0.0% | +146.6% |
| 2009-03-30 | +138.6% | +0.0% | +138.6% |
| 2009-04-01 | +135.5% | +0.0% | +135.5% |
5,003 overlapping windows · 2006-09-26 – 2026-09-16 · not cherry-picked
Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.
iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~20 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.Up-frequency and average month-over-month return · historical frequency, not a prediction
Reported insider & political trades
Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.
| Date | Person | Role | Action | Shares @ price | Value | Ownership Δ | vs S&P 1m | vs S&P 6m | Owned after | Filing |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-24 | JOHNSON MARIANNE BOYD | director | Sale | 12 @ $82.00 | $984 | −0.0% of holding | not yet — horizon still open | not yet — horizon still open | 1,611,671 | Form 4 · filed 2 days after the trade |
| 2026-07-28 | Hirsberg Josh | officer | Sale | 12,777 @ $89.76 | $1.1M | −2.9% of holding | −15.1% | not yet — horizon still open | 422,969 | Form 4 · filed same day |
| 2026-06-09 | Clinton Uri | officer | Sale | 3,468 @ $87.69 | $304K | −5.8% of holding | −4.3% | not yet — horizon still open | 56,818 | Form 4 · filed same day |
| 2026-06-03 | SMITH KEITH | director | Sale | 100,000 @ $85.90 | $8.6M | −9.1% of holding | +2.6% | not yet — horizon still open | 996,981 | Form 4 · filed 1 day after the trade |
| 2026-05-13 | SPADAFOR CHRISTINE J. | director | Sale | 1,237 @ $80.91 | $100K | −12.4% of holding | +8.6% | not yet — horizon still open | 8,757 | Form 4 · filed 1 day after the trade |
| 2026-05-05 | JOHNSON MARIANNE BOYD | director | Sale | 62,914 @ $84.03 | $5.3M | −3.8% of holding | +0.5% | not yet — horizon still open | 1,609,808 | Form 4 · filed same day |
| 2026-05-01 | JOHNSON MARIANNE BOYD | director | Sale | 37,086 @ $85.27 | $3.2M | −2.2% of holding | −4.9% | not yet — horizon still open | 1,672,722 | Form 4 · filed 4 days after the trade |
| 2026-02-27 | Thompson Stephen S. | officer | Sale | 19,530 @ $83.59 | $1.6M | −47.0% of holding | +4.2% | −16.8% | 22,009 | Form 4 · filed 3 days after the trade |
| 2026-02-26 | Hirsberg Josh | officer | Sale | 23,924 @ $85.86 | $2.1M | −5.2% of holding | −0.6% | −21.2% | 435,746 | Form 4 · filed 4 days after the trade |
| 2026-02-18 | BOYD WILLIAM R | director | Sale | 30,000 @ $84.84 | $2.5M | −1.5% of holding | +2.1% | −14.6% | 1,930,447 | Form 4 · filed 1 day after the trade |
| 2025-11-07 | BOYD WILLIAM R | director | Sale | 20,000 @ $80.36 | $1.6M | −1.0% of holding | −3.1% | −9.0% | 1,960,447 | Form 4 · filed 5 days after the trade |
| 2025-09-04 | JOHNSON MARIANNE BOYD | director | Sale | 100,000 @ $86.62 | $8.7M | −5.5% of holding | −3.1% | −11.1% | 1,704,379 | Form 4 · filed 1 day after the trade |
| 2025-08-22 | Hirsberg Josh | officer | Sale | 40,035 @ $85.41 | $3.4M | −8.7% of holding | −3.5% | −7.2% | 420,185 | Form 4 · filed 3 days after the trade |
| 2025-08-22 | SMITH KEITH | director | Sale | 25,000 @ $85.21 | $2.1M | −2.3% of holding | −3.5% | −7.2% | 1,046,689 | Form 4 · filed same day |
| 2025-08-19 | SMITH KEITH | director | Sale | 25,000 @ $83.91 | $2.1M | −2.3% of holding | −4.0% | −5.8% | 1,071,689 | Form 4 · filed 1 day after the trade |
| 2025-08-18 | SMITH KEITH | director | Sale | 50,000 @ $83.09 | $4.2M | −4.4% of holding | −2.5% | −4.9% | 1,096,689 | Form 4 · filed 2 days after the trade |
| 2025-08-13 | JOHNSON MARIANNE BOYD | director | Sale | 100,000 @ $84.17 | $8.4M | −6.2% of holding | −1.5% | −8.4% | 1,504,379 | Form 4 · filed 1 day after the trade |
| 2025-08-12 | BOYD WILLIAM R | director | Sale | 9,774 @ $81.61 | $798K | −39.2% of holding | +0.8% | −7.8% | 15,188 | Form 4 · filed 1 day after the trade |
| 2025-08-11 | BOYD WILLIAM R | director | Sale | 3,226 @ $81.57 | $263K | −11.4% of holding | +2.1% | −5.3% | 24,962 | Form 4 · filed 2 days after the trade |
| 2025-08-08 | Clinton Uri | officer | Sale | 2,500 @ $82.08 | $205K | −5.1% of holding | +2.0% | −8.1% | 46,330 | Form 4 · filed 3 days after the trade |
| 2025-08-01 | Thompson Stephen S. | officer | Sale | 15,906 @ $83.25 | $1.3M | −29.2% of holding | −0.6% | −11.0% | 38,609 | Form 4 · filed 3 days after the trade |
| 2025-05-02 | BOYD WILLIAM R | director | Sale | 39,040 @ $69.61 | $2.7M | +2.4% of holding | +0.1% | −10.7% | 1,680,447 | Form 4 · filed 3 days after the trade |
| 2025-05-01 | BOYD WILLIAM R | director | Sale | 60,960 @ $69.57 | $4.2M | +3.7% of holding | +1.4% | −10.0% | 1,719,487 | Form 4 · filed 4 days after the trade |
| 2025-03-03 | SPADAFOR CHRISTINE J. | director | Sale | 1,125 @ $75.28 | $85K | −18.8% of holding | −7.7% | +5.4% | 4,852 | Form 4 · filed 2 days after the trade |
| 2025-02-19 | BOYD WILLIAM R | director | Sale | 15,000 @ $79.32 | $1.2M | −1.0% of holding | −6.9% | +0.9% | 1,472,970 | Form 4 · filed 1 day after the trade |
| 2025-02-12 | JOHNSON MARIANNE BOYD | director | Sale | 49,800 @ $77.59 | $3.9M | −3.7% of holding | −4.3% | +2.1% | 1,296,828 | Form 4 · filed 1 day after the trade |
| 2025-02-12 | Bogich Ted | officer | Sale | 18,705 @ $77.13 | $1.4M | −31.1% of holding | −4.3% | +2.1% | 41,496 | Form 4 · filed 1 day after the trade |
| 2025-02-11 | JOHNSON MARIANNE BOYD | director | Sale | 50,000 @ $77.68 | $3.9M | −3.6% of holding | −6.2% | +1.9% | 1,346,628 | Form 4 · filed 2 days after the trade |
| 2025-02-11 | Clinton Uri | officer | Sale | 4,257 @ $76.87 | $327K | −11.4% of holding | −6.2% | +1.9% | 33,101 | Form 4 · filed 1 day after the trade |
| 2024-12-12 | SPADAFOR CHRISTINE J. | director | Sale | 660 @ $75.68 | $50K | −9.9% of holding | +0.6% | +2.3% | 5,977 | Form 4 · filed 4 days after the trade |
The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.
86 award / exercise / gift records — not counted as purchases
Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.
| Date | Person | Role | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-07-22 | Andersen Stacia J.P. | director | Award / grant | 2,043 | 2,043 | Form 4 |
| 2026-07-22 | ROETH GEORGE C | director | Award / grant | 2,043 | 2,043 | Form 4 |
| 2026-06-30 | JOHNSON MARIANNE BOYD | director | Withheld for tax | 30,823 | 1,611,683 | Form 4 |
| 2026-06-30 | JOHNSON MARIANNE BOYD | director | Award / grant | 30,351 | 1,642,506 | Form 4 |
| 2026-05-07 | SPADAFOR CHRISTINE J. | director | Award / grant | 2,347 | 9,994 | Form 4 |
| 2026-05-07 | BOYD WILLIAM R | director | Award / grant | 2,347 | 17,535 | Form 4 |
| 2026-05-07 | WHETSELL PAUL W | director | Award / grant | 2,347 | 25,358 | Form 4 |
| 2026-05-07 | Hartmeier Michael A. | director | Award / grant | 2,347 | 8,315 | Form 4 |
| 2026-05-07 | Bailey John Robert | director | Award / grant | 2,347 | 29,858 | Form 4 |
| 2026-05-07 | JOHNSON MARIANNE BOYD | director | Award / grant | 2,347 | 1,612,155 | Form 4 |
| 2026-05-07 | Thoman A. Randall | director | Award / grant | 2,347 | 12,854 | Form 4 |
| 2026-02-26 | Hirsberg Josh | officer | Option exercise | 23,924 | 459,670 | Form 4 |
| 2026-02-26 | Hirsberg Josh | officer | Option exercise | 23,924 | 0 | Form 4 |
| 2026-02-23 | SMITH KEITH | director | Award / grant | 35,608 | 1,096,981 | Form 4 |
| 2026-02-22 | SMITH KEITH | director | Withheld for tax | 41,234 | 1,061,373 | Form 4 |
| 2026-02-22 | Hirsberg Josh | officer | Withheld for tax | 16,918 | 435,746 | Form 4 |
| 2026-02-22 | Thompson Stephen S. | officer | Withheld for tax | 12,868 | 41,539 | Form 4 |
| 2026-02-22 | Clinton Uri | officer | Withheld for tax | 9,499 | 60,286 | Form 4 |
| 2026-02-22 | JOHNSON MARIANNE BOYD | director | Withheld for tax | 3,524 | 1,709,808 | Form 4 |
| 2026-02-22 | Nelson Lori M. | officer | Withheld for tax | 743 | 16,858 | Form 4 |
| 2026-02-22 | Thompson Stephen S. | officer | Award / grant | 15,798 | 54,407 | Form 4 |
| 2026-02-22 | Nelson Lori M. | officer | Award / grant | 525 | 17,601 | Form 4 |
| 2026-02-22 | JOHNSON MARIANNE BOYD | director | Award / grant | 8,953 | 1,713,332 | Form 4 |
| 2026-02-22 | Hirsberg Josh | officer | Award / grant | 16,455 | 452,664 | Form 4 |
| 2026-02-22 | Clinton Uri | officer | Award / grant | 11,586 | 69,785 | Form 4 |
| 2026-02-22 | SMITH KEITH | director | Award / grant | 63,188 | 1,102,607 | Form 4 |
| 2026-02-19 | Nelson Lori M. | officer | Award / grant | 1,335 | 17,076 | Form 4 |
| 2026-02-19 | Clinton Uri | officer | Award / grant | 11,869 | 58,199 | Form 4 |
| 2026-02-19 | SMITH KEITH | director | Award / grant | 42,730 | 1,039,419 | Form 4 |
| 2026-02-19 | Hirsberg Josh | officer | Award / grant | 16,024 | 436,209 | Form 4 |
| 2026-01-05 | Clinton Uri | officer | Award / grant | 1,218 | 1,218 | Form 4 |
| 2026-01-05 | SMITH KEITH | director | Award / grant | 3,220 | 3,220 | Form 4 |
| 2026-01-05 | JOHNSON MARIANNE BOYD | director | Award / grant | 618 | 618 | Form 4 |
| 2026-01-05 | Hirsberg Josh | officer | Award / grant | 1,610 | 1,610 | Form 4 |
| 2026-01-05 | Thompson Stephen S. | officer | Award / grant | 1,375 | 1,375 | Form 4 |
| 2025-08-25 | SMITH KEITH | director | Gift | 50,000 | 996,689 | Form 4 |
| 2025-08-21 | BOYD WILLIAM R | director | Other acquisition | 45,482 | 87,034 | Form 4 |
| 2025-08-21 | JOHNSON MARIANNE BOYD | director | Other acquisition | 45,482 | 45,482 | Form 4 |
| 2025-08-18 | JOHNSON MARIANNE BOYD | director | Other acquisition | 909,091 | 1,487,858 | Form 4 |
| 2025-08-18 | JOHNSON MARIANNE BOYD | director | Other acquisition | 300,000 | 1,804,379 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.
Congressional disclosures
No congressional trades disclosed for this company.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.