玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q4 (20)1.00-23.6620.480.67-40.18-6.9490.7531.03-17.3136.7568.418.4760.5032.82-19.1167.0159.193.71
24Q3 (19)1.3148.86-7.091.125.66-10.469.26-32.876.9781.20-5.6111.5745.55-29.99-8.07104.91-15.4919.24
24Q2 (18)0.8841.94-34.811.0673.77-17.19103.17-29.8652.886.03-42.2220.9865.06-27.6128.96124.14-39.7740.78
24Q1 (17)0.62-25.3-56.940.61-15.28-37.11147.0934.03132.55148.8918.158.1989.8720.1858.58206.1127.99104.68
23Q4 (16)0.83-41.13-17.00.72-42.4-6.49109.7469.4820.83126.0773.226.974.7850.924.76161.0383.0317.23
23Q3 (15)1.414.4418.491.25-2.3431.5864.75-4.1-15.1272.782.35-24.0549.55-1.78-10.2587.98-0.23-24.74
23Q2 (14)1.35-6.253.051.2831.9643.8267.526.75-2.7871.11-24.45-30.1550.45-10.98-14.3888.18-12.43-21.51
23Q1 (13)1.4444.04.350.9725.978.9963.25-30.36-3.7494.12-20.19-8.3556.67-20.61-12.0100.70-26.69-3.17
22Q4 (12)1.00-15.97-16.670.77-18.95-3.7590.8219.0620.05117.9323.063.0971.3829.29-8.49137.3617.522.6
22Q3 (11)1.19-9.16-28.310.956.74-5.9476.289.8338.9495.83-5.876.4155.21-6.3-20.37116.904.0654.57
22Q2 (10)1.31-5.07-25.140.890.0-1.1169.455.6933.4101.81-0.860.1958.92-8.51-27.73112.348.0255.7
22Q1 (9)1.3815.0-30.650.8911.25-11.065.71-13.1443.88102.69-10.2412.3664.40-17.44-3.59104.00-7.1848.02
21Q4 (8)1.20-27.71-62.030.80-20.79-49.0475.6537.8162.86114.4027.0397.5578.0012.5192.5112.0448.14142.62
21Q3 (7)1.66-5.14-81.431.0112.22-80.5454.905.46439.2990.06-11.38413.4569.33-14.96452.4375.634.82398.55
21Q2 (6)1.75-12.06-9.790.90-10.04.6552.0613.9910.81101.6211.19-4.4681.5322.0575.4872.152.69-32.5
21Q1 (5)1.99-37.0313.071.00-36.3153.8545.6758.69-11.7591.3957.81-34.8766.8064.86-3.4470.2652.14-42.83
20Q4 (4)3.16-64.650.01.57-69.750.028.78182.710.057.91230.160.040.52222.870.046.18204.420.0
20Q3 (3)8.94360.820.05.19503.490.010.18-78.330.017.54-83.510.012.55-72.990.015.17-85.810.0
20Q2 (2)1.9410.230.00.8632.310.046.98-9.220.0106.36-24.20.046.46-32.840.0106.89-13.020.0
20Q1 (1)1.760.00.00.650.00.051.750.00.0140.320.00.069.180.00.0122.890.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2024 (10)3.03-38.292.48-36.9120.5462.28147.3558.5973.2240.86194.6768.98
2023 (9)4.91-8.913.936.2274.289.6492.91-5.8551.98-12.8115.207.83
2022 (8)5.39-7.233.700.8267.757.8698.68-0.8259.61-5.26106.837.49
2021 (7)5.81-59.143.67-47.7262.81144.6899.5091.2762.9288.7299.39124.05
2020 (6)14.2289.67.02126.4525.67-47.2252.02-55.7733.34-38.4144.36-60.43
2019 (5)7.5010.623.1021.5748.64-9.64117.60-17.8754.135.23112.11-22.99
2018 (4)6.78-6.872.5512.8353.837.38143.19-11.5251.4410.53145.58-12.0
2017 (3)7.283.72.26-1.7450.13-3.56161.842.0746.5439.59165.43-6.64
2016 (2)7.023.242.303.1451.98-3.22158.56-2.9833.34-34.73177.206.71
2015 (1)6.80-1.882.23-5.9153.711.96163.435.9551.08-13.58166.0512.33

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