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)1.8913.1721.155.9648.639.5648.07-11.57-17.3615.26-32.78-8.7982.44-12.7433.01-19.11-9.7-247.8
24Q2 (19)1.6745.2239.174.0131.916.9354.36-31.02-28.1822.70-24.11-6.3594.48-0.569.75-17.42-227.15-225.87
24Q1 (18)1.1519.79-11.543.04-1.3-34.4878.81-16.8112.4929.911.0852.3795.01-12.38-0.5813.70-13.73333.79
23Q4 (17)0.96-38.46-36.03.08-43.38-50.9694.7362.8556.6629.5976.87104.35108.4474.9649.9715.8822.82501.52
23Q3 (16)1.5630.077.275.4445.0745.0758.17-23.15-44.0516.73-30.98-31.161.98-28.01-28.4812.93-6.58-68.9
23Q2 (15)1.20-7.6934.833.75-19.18-4.8275.698.04-26.3424.2423.484.8986.09-9.9111.3613.84336.18-71.49
23Q1 (14)1.30-13.3331.314.64-26.113.5770.0615.86-24.0319.6335.57-3.495.5632.1510.42-5.86-321.97-122.53
22Q4 (13)1.5070.4564.846.2867.4740.1860.47-41.83-39.4114.48-40.36-28.7472.31-16.56-32.342.64-93.65-80.08
22Q3 (12)0.88-1.12-20.03.75-4.82-34.33103.961.1825.8724.285.0652.2386.6612.095.5741.58-14.36152.77
22Q2 (11)0.89-10.1-12.753.94-12.05-12.64102.7511.4215.4523.1113.7314.6377.31-10.67-16.7248.5586.66197.31
22Q1 (10)0.998.7919.284.480.08.7492.22-7.6-16.3720.320.0-7.9386.54-19.03-26.5926.0196.380.0
21Q4 (9)0.91-17.27-17.274.48-21.54-35.6399.8120.8520.8220.3227.455.47106.8830.224.9613.25-19.4530.67
21Q3 (8)1.107.84-16.675.7126.61-32.982.59-7.219.4415.95-20.8849.282.09-11.5717.0516.450.7369.41
21Q2 (7)1.0222.89-7.274.519.47-26.6789.00-19.297.9820.16-8.6536.2292.83-21.2618.816.3313.01-14.46
21Q1 (6)0.83-24.5580.434.12-40.814.76110.2733.48-44.6522.0768.86-12.94117.8937.83-39.6114.4542.5-50.78
20Q4 (5)1.10-16.6735.86.96-18.21-2.3882.6119.46-26.5813.0722.262.4385.5321.96-33.1310.144.43487.02
20Q3 (4)1.3220.00.08.5138.370.069.15-16.10.010.69-27.770.070.13-10.250.09.71-49.140.0
20Q2 (3)1.10139.130.06.1571.310.082.42-58.630.014.80-41.620.078.14-59.970.019.09-34.980.0
20Q1 (2)0.46-43.210.03.59-49.650.0199.2277.070.025.3598.670.0195.2052.620.029.361220.610.0
19Q4 (1)0.810.00.07.130.00.0112.510.00.012.760.00.0127.900.00.0-2.620.00.0
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)5.2631.1717.269.169.39-23.8221.15-8.36101.15-17.66-10.610
2022 (9)4.015.815.82-13.591.09-5.5323.0815.69122.8514.68-8.680
2021 (8)3.797.0618.29-30.1696.42-6.519.9543.11107.12-1.149.266.31
2020 (7)3.549.626.19-21.04103.12-8.6113.9426.73108.35-3.68.71-23.93
2019 (6)3.23-3.2933.17-10.74112.843.3411.0012.02112.4016.4511.45-49.07
2018 (5)3.34-14.837.163.54109.1917.179.82-3.4496.5217.3622.486.44
2017 (4)3.9218.7935.89105.7993.19-15.6710.17-51.4182.24-14.7921.12-39.52
2016 (3)3.30-0.317.44-16.03110.510.220.9319.1296.5231.6234.92-35.96
2015 (2)3.318.5220.77-8.42110.29-7.8217.579.273.330.9654.53-13.61
2014 (1)3.05-5.2822.686.43119.655.4116.09-6.0772.63-9.5163.1225.26

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