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
24Q3 (20)1.12-9.683.70.707.6916.6781.0010.32-3.59130.61-6.45-13.3738.215.35-0.98173.39-1.91-11.62
24Q2 (19)1.246.911.710.6516.0710.1773.42-6.1-10.43139.62-13.99-8.9636.27-7.87-0.71176.77-12.12-11.09
24Q1 (18)1.169.430.00.561.82-3.4578.19-8.68-0.19162.33-1.553.5939.37-4.8814.58201.15-3.820.23
23Q4 (17)1.06-1.851.920.55-8.333.7785.621.9-2.59164.899.37-4.3341.397.261.1209.136.6-4.64
23Q3 (16)1.08-2.73.850.601.69-3.2384.022.5-3.64150.77-1.692.6438.595.64-3.31196.19-1.321.05
23Q2 (15)1.11-4.31-3.480.591.720.081.974.633.47153.36-2.13-0.1836.536.32-16.25198.81-0.935.06
23Q1 (14)1.1611.54-4.130.589.43-7.9478.34-10.883.95156.70-9.088.4134.36-16.07-22.63200.68-8.4914.35
22Q4 (13)1.040.0-14.750.53-14.52-18.4687.900.8117.42172.3517.3322.3640.942.58-17.36219.3112.9531.97
22Q3 (12)1.04-9.57-14.750.625.08-11.4387.1910.0616.64146.89-4.3912.8239.91-8.51-26.72194.162.629.02
22Q2 (11)1.15-4.96-9.450.59-6.35-19.1879.225.1210.66153.646.322.6243.62-1.78-19.74189.247.8432.75
22Q1 (10)1.21-0.822.540.63-3.08-8.775.360.67-2.07144.542.6110.3144.41-10.36-11.14175.495.611.06
21Q4 (9)1.220.03.390.65-7.14-12.1674.860.15-2.58140.868.1913.9649.54-9.0311.05166.1810.436.64
21Q3 (8)1.22-3.940.00.70-4.11-5.4174.754.410.09130.203.915.7854.460.217.24150.495.57-0.54
21Q2 (7)1.277.635.830.735.87.3571.59-6.97-5.35125.30-4.37-6.5654.358.7418.64142.55-9.78-13.04
21Q1 (6)1.180.013.460.69-6.764.5576.950.14-11.92131.036.01-5.5449.9812.0422.35158.011.4-14.7
20Q4 (5)1.18-3.2814.560.740.07.2576.842.89-13.31123.600.42-5.8644.61-3.9616.35155.832.99-14.19
20Q3 (4)1.221.670.00.748.820.074.68-1.270.0123.08-8.220.046.451.40.0151.31-7.70.0
20Q2 (3)1.2015.380.00.683.030.075.64-13.420.0134.10-3.320.045.8112.140.0163.93-11.50.0
20Q1 (2)1.040.970.00.66-4.350.087.36-1.440.0138.715.640.040.856.550.0185.232.00.0
19Q4 (1)1.030.00.00.690.00.088.640.00.0131.300.00.038.340.00.0181.590.00.0
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
2023 (10)4.78-3.042.25-3.4376.313.08162.103.5336.91-14.02201.507.37
2022 (9)4.93-1.62.33-14.3474.031.65156.5716.642.93-6.43187.6716.4
2021 (8)5.019.152.72-6.2172.83-8.37134.286.6645.887.37161.23-0.87
2020 (7)4.5911.142.90-3.6579.48-10.07125.893.9542.73-19.89162.644.16
2019 (6)4.13-18.73.01-18.8788.3822.94121.1123.2753.341.06156.1533.05
2018 (5)5.0814.413.71-0.871.89-12.4698.250.6152.788.74117.36-10.58
2017 (4)4.444.723.745.9582.12-4.6197.65-5.5248.5410.22131.24-9.74
2016 (3)4.245.743.5316.1286.09-5.35103.36-13.7844.041.01145.41-13.05
2015 (2)4.012.043.04-2.2590.96-2.01119.882.0443.60-3.54167.231.29
2014 (1)3.93-2.723.11-4.3192.832.64117.484.6345.201.99165.104.23

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