Authum Investment & Infrastructure share price history
NSE: AIILBSE: 539177FinanceMid Cap
Authum Investment & Infrastructure Limited · Face value ₹1 Face value. The nominal value of one share as the company issued it, the unit its share capital is counted in and a dividend can be stated as a percentage of; it has no link to the share price. Face value in the glossary · Listed Jun 2015 on BSE, Apr 2024 on NSE
Last close ₹492.15down ₹8.00 (1.60%)BSE ₹493.35
Share price at the NSE close on 30 Oct 2026. Previous close ₹500.15.
30 Oct: open ₹503.50, high ₹503.50, low ₹486.20
52-week range of traded prices to 30 Oct 2026
₹400.00Low, 9 Mar 2026₹683.00High, 13 Jan 2026
- Next results date: the board meets on 3 Nov 2026 to consider: financial results and other business matters. The notice · Results calendar
- Market capMarket capitalisation. Share price times the number of shares: what the whole company is worth at the day's price. The rank is by average market value over the six months to Jun 2026, among listed companies. Market capitalisation: how it is worked out
- ₹41,795 Cr213th largest listed
- P/EPrice to earnings, trailing. Market cap divided by the profit of the last twelve months (the latest four quarters, or two half years for a company that reports half-yearly) that belongs to the company's own shareholders, after the share of the other owners of its subsidiaries: what investors pay for each rupee of a year's profit. Price to earnings, trailing: how it is worked out
- 19.96
- P/BPrice to book. Market cap divided by the net worth that belongs to the company's own shareholders, its assets less everything it owes and less the other owners' share of its subsidiaries, on its latest balance sheet. Price to book: how it is worked out
- 2.84
- Dividend yieldDividend yield. Dividends paid per share in the twelve months to the day, as a percentage of the day's share price.
- Nonein the last 12 months
- ROEReturn on equity. Profit over the last twelve months (the latest four quarters, or two half years for a company that reports half-yearly) that belongs to the company's own shareholders, as a percentage of their net worth, the money they have in the business. Net worth is the average of the latest balance sheet and the one a year before it.
- 14.2%
- ROCEReturn on capital employed. Operating profit after depreciation (revenue less operating expenses and depreciation, without other income and one-off items) as a percentage of all the money the business runs on: the whole group's net worth, the other owners of its subsidiaries included, plus borrowings. Lease liabilities are not counted: the results filings do not state them. The profit is over the last twelve months (the latest four quarters, or two half years for a company that reports half-yearly); net worth and borrowings are on the latest balance sheet.
- 13.3%
- Debt to equityDebt to equity. Borrowings divided by the whole group's net worth, the other owners of its subsidiaries included: rupees borrowed for each rupee of equity in the business. Lease liabilities are not counted: the results filings do not state them. From the balance sheet at the end of Mar 2026.
- 0.23
- Volume, NSEVolume. Shares traded on the last trading day; delivery is the part buyers kept rather than sold again the same day. Volume in the glossary
- 53,86545.4% delivered
Authum Investment & Infrastructure share price by year, month and day
Closes to 30 Oct 2026; the last month as traded on NSE
Authum Investment & Infrastructure's share price is on record from 20 Oct 2021, when it closed at ₹37.35, to 30 Oct 2026. Its highest close was ₹667.90 on 13 Jan 2026 and its lowest ₹26.00 on 12 May 2022, adjusted for 1 split or bonus issue. Some closes are BSE's, on days NSE has none. Its trading goes back to 11 Jun 2015, but prices before 20 Oct 2021 are not shown: on 20 Oct 2021 the price moved with no split, bonus or other action on record to explain it, so no figure is worked out across that day.
Close at year end, ₹
Adjusted close. A day's closing price restated for every split and bonus issue since, so prices years apart compare as one share held throughout: after a 1:1 bonus, earlier closes are halved. Adjusted close: how it is worked out| Year | Close at year end | Change | Highest close | Lowest close | Open | Traded high | Traded low | Volume |
|---|---|---|---|---|---|---|---|---|
| 2026so far | 492.15 | −21.5% | 667.90 | 405.30 | 629.80 | 683.00 | 400.00 | 13,52,44,651 |
| 2025 | 626.68 | +83.8% | 659.90 | 281.92 | 349.76 | 663.74 | 265.10 | 21,75,88,790 |
| 2024BSE close | 340.94 | +72.5% | 376.20 | 126.24 | 201.00 | 382.09 | 115.23 | 7,83,06,715 |
| 2023BSE close | 197.62 | +343.4% | 197.62 | 32.34 | 44.57 | 198.56 | 30.90 | 6,73,97,120 |
| 2022BSE close | 44.57 | +31.2% | 53.18 | 26.00 | 35.00 | 56.80 | 25.29 | 3,84,60,125 |
| 2021BSE close | 33.97 | – | 42.94 | 29.19 | 36.88 | 45.08 | 28.70 | 62,51,490 |
₹ per share, adjusted for splits and bonuses since. Change is on the close at the end of the year before; traded high and low are the year's range. 2021 is from its first session, 20 Oct 2021.
| Month | Close | Change | Open | High | Low | Volume |
|---|---|---|---|---|---|---|
| Oct 2026so far | 492.15 | −10.0% | 540.00 | 575.25 | 476.00 | 30,14,211 |
| Sep 2026 | 546.60 | −2.5% | 568.95 | 572.00 | 503.00 | 1,10,71,584 |
| Aug 2026 | 560.90 | +4.0% | 549.00 | 607.70 | 527.25 | 1,17,34,932 |
| Jul 2026 | 539.30 | +2.9% | 524.40 | 584.85 | 498.55 | 97,24,170 |
| Jun 2026 | 524.35 | +9.5% | 475.00 | 581.60 | 441.00 | 3,46,55,083 |
| May 2026 | 478.75 | +1.5% | 468.00 | 534.20 | 449.10 | 78,28,669 |
| Apr 2026 | 471.80 | +9.8% | 447.65 | 522.45 | 409.15 | 78,66,868 |
| Mar 2026 | 429.85 | −10.8% | 475.00 | 527.25 | 400.00 | 2,63,99,944 |
| Feb 2026 | 481.85 | −4.6% | 500.00 | 545.10 | 472.00 | 70,16,772 |
| Jan 2026 | 505.20 | −19.4% | 629.80 | 683.00 | 493.00 | 1,59,32,418 |
| Dec 2025 | 626.68 | +15.8% | 543.84 | 629.40 | 504.00 | 1,35,67,540 |
| Nov 2025 | 541.30 | −6.9% | 580.00 | 583.24 | 519.60 | 1,01,94,780 |
| Oct 2025 | 581.62 | −5.6% | 626.34 | 663.74 | 580.00 | 70,08,965 |
| Sep 2025 | 616.44 | −4.7% | 646.40 | 659.00 | 590.20 | 2,36,59,715 |
| Aug 2025 | 646.58 | +16.5% | 553.62 | 650.00 | 499.10 | 2,45,93,230 |
| Jul 2025 | 555.24 | +5.5% | 523.42 | 579.20 | 453.20 | 4,68,34,335 |
| Jun 2025 | 526.14 | +10.6% | 479.64 | 548.54 | 470.72 | 1,87,76,675 |
| May 2025 | 475.84 | +38.2% | 346.98 | 477.20 | 330.32 | 2,70,39,140 |
| Apr 2025 | 344.42 | −0.5% | 346.50 | 385.40 | 282.33 | 82,47,200 |
| Mar 2025 | 346.09 | +22.8% | 284.47 | 350.00 | 280.98 | 1,15,70,170 |
| Feb 2025 | 281.92 | −16.5% | 342.67 | 371.00 | 265.10 | 91,93,180 |
| Jan 2025 | 337.62 | −1.0% | 349.76 | 397.60 | 318.24 | 1,69,03,860 |
| Dec 2024 | 340.94 | +7.8% | 315.01 | 382.09 | 311.80 | 56,37,335 |
| Nov 2024 | 316.15 | −4.6% | 329.00 | 353.19 | 308.20 | 41,34,920 |
₹ per share, adjusted for splits and bonuses since. Change is on the close of the month before; high and low are the month's traded range.
| Date | Open | High | Low | Close | Average price | Volume | Delivery |
|---|---|---|---|---|---|---|---|
| 30 Oct 2026 | 503.50 | 503.50 | 486.20 | 492.15 | 493.68 | 53,865 | 45.4% |
| 29 Oct 2026 | 494.10 | 505.00 | 492.15 | 500.15 | 498.98 | 57,720 | 37.3% |
| 28 Oct 2026 | 483.00 | 501.20 | 480.80 | 494.05 | 494.39 | 88,312 | 23.7% |
| 27 Oct 2026 | 489.00 | 493.70 | 480.15 | 485.05 | 486.95 | 1,78,141 | 49.0% |
| 26 Oct 2026 | 495.00 | 496.75 | 476.00 | 486.75 | 485.97 | 1,66,774 | 36.7% |
| 23 Oct 2026 | 518.55 | 518.80 | 488.70 | 496.75 | 495.51 | 2,14,170 | 44.9% |
| 22 Oct 2026 | 521.75 | 521.80 | 508.85 | 515.80 | 515.03 | 1,03,859 | 33.2% |
| 21 Oct 2026 | 545.00 | 550.40 | 520.00 | 521.75 | 532.79 | 1,57,370 | 47.6% |
| 19 Oct 2026 | 570.20 | 570.20 | 543.55 | 548.95 | 556.80 | 1,12,278 | 42.7% |
| 16 Oct 2026 | 541.00 | 575.25 | 541.00 | 571.90 | 568.79 | 6,94,873 | 30.5% |
| 15 Oct 2026 | 547.50 | 551.75 | 539.50 | 541.35 | 544.66 | 74,328 | 49.6% |
| 14 Oct 2026 | 540.50 | 553.40 | 537.05 | 549.80 | 548.31 | 1,28,422 | 54.4% |
| 13 Oct 2026 | 550.80 | 550.90 | 536.85 | 544.35 | 543.30 | 2,02,083 | 48.3% |
| 12 Oct 2026 | 549.70 | 560.00 | 549.05 | 551.85 | 552.36 | 87,579 | 44.0% |
| 9 Oct 2026 | 550.00 | 556.35 | 547.00 | 549.70 | 549.78 | 70,587 | 50.7% |
| 8 Oct 2026 | 547.90 | 554.95 | 545.00 | 550.10 | 548.99 | 1,15,992 | 55.2% |
| 7 Oct 2026 | 554.70 | 555.80 | 545.45 | 549.65 | 551.47 | 81,517 | 45.1% |
| 6 Oct 2026 | 548.40 | 552.60 | 548.20 | 550.15 | 550.14 | 55,682 | 63.0% |
| 5 Oct 2026 | 540.60 | 553.90 | 539.00 | 551.60 | 547.67 | 1,46,383 | 50.1% |
| 1 Oct 2026 | 540.00 | 554.30 | 527.20 | 539.30 | 536.10 | 2,24,276 | 58.0% |
| 30 Sep 2026 | 542.85 | 559.00 | 541.00 | 546.60 | 550.60 | 1,58,568 | 45.0% |
| 29 Sep 2026 | 548.25 | 556.00 | 536.90 | 541.80 | 544.99 | 1,67,804 | 46.0% |
Prices in ₹ per share as traded, not adjusted.
Splits, bonus issues and other changes
What the prices above are adjusted for, so they read as one share held throughout.Authum Investment & Infrastructure bonus and split history
| Ex-date | Event | Price factor | What happened |
|---|---|---|---|
| 13 Jan 2026 | Bonus | 0.2000 | Holders received 4 bonus shares for every 1 held. |
| 20 Oct 2021 | Price move | – | Between two trading sessions the price fell 47% or more, or rose 90% or more. No corporate action is on record. Earlier prices are not shown. |
| 17 Feb 2021 | Price move | – | Between two trading sessions the price moved by a fifth or more. No corporate action is on record. Not adjusted for. |
| 15 May 2018 | Price move | – | Between two trading sessions the price moved by a fifth or more. No corporate action is on record. Not adjusted for. |
Earlier prices are multiplied by the factor, so the chart reads as one share held throughout. Where an event has no factor that can be worked out, the chart leaves out the closes before it. Any other event is noted and not adjusted for.